{
  "average_delay": 7.371,
  "average_delay_with_out_empty_turn": 5.12,
  "average_onscreen_delay": 2.647,
  "average_typing_delay": 4.724,
  "average_typing_duration": 9.572,
  "average_wpm": 29,
  "average_wpm_with_out_empty_turn": 43,
  "agents": [
    {
      "agent_id": 12,
      "average_delay": 0,
      "average_delay_with_out_empty_turn": 0,
      "average_onscreen_delay": 0,
      "average_typing_delay": 0,
      "average_typing_duration": 0,
      "average_wpm": 0,
      "average_wpm_with_out_empty_turn": 0
    },
    {
      "agent_id": 13,
      "average_delay": 7.682,
      "average_delay_with_out_empty_turn": 5.082,
      "average_onscreen_delay": 2.536,
      "average_typing_delay": 5.147,
      "average_typing_duration": 10.489,
      "average_wpm": 28,
      "average_wpm_with_out_empty_turn": 40
    },
    {
      "agent_id": 14,
      "average_delay": 7.5,
      "average_delay_with_out_empty_turn": 5.592,
      "average_onscreen_delay": 3.244,
      "average_typing_delay": 4.256,
      "average_typing_duration": 9.494,
      "average_wpm": 28,
      "average_wpm_with_out_empty_turn": 44
    },
    {
      "agent_id": 15,
      "average_delay": 0,
      "average_delay_with_out_empty_turn": 0,
      "average_onscreen_delay": 0,
      "average_typing_delay": 0,
      "average_typing_duration": 0,
      "average_wpm": 0,
      "average_wpm_with_out_empty_turn": 0
    },
    {
      "agent_id": 16,
      "average_delay": 7.702,
      "average_delay_with_out_empty_turn": 5.696,
      "average_onscreen_delay": 2.815,
      "average_typing_delay": 4.887,
      "average_typing_duration": 8.589,
      "average_wpm": 32,
      "average_wpm_with_out_empty_turn": 46
    },
    {
      "agent_id": 17,
      "average_delay": 0,
      "average_delay_with_out_empty_turn": 0,
      "average_onscreen_delay": 0,
      "average_typing_delay": 0,
      "average_typing_duration": 0,
      "average_wpm": 0,
      "average_wpm_with_out_empty_turn": 0
    },
    {
      "agent_id": 19,
      "average_delay": 0,
      "average_delay_with_out_empty_turn": 0,
      "average_onscreen_delay": 0,
      "average_typing_delay": 0,
      "average_typing_duration": 0,
      "average_wpm": 0,
      "average_wpm_with_out_empty_turn": 0
    },
    {
      "agent_id": 29,
      "average_delay": 6.595,
      "average_delay_with_out_empty_turn": 4.115,
      "average_onscreen_delay": 1.962,
      "average_typing_delay": 4.633,
      "average_typing_duration": 9.72,
      "average_wpm": 27,
      "average_wpm_with_out_empty_turn": 40
    },
    {
      "agent_id": 37,
      "average_delay": 0,
      "average_delay_with_out_empty_turn": 0,
      "average_onscreen_delay": 0,
      "average_typing_delay": 0,
      "average_typing_duration": 0,
      "average_wpm": 0,
      "average_wpm_with_out_empty_turn": 0
    }
  ],
  "messages": [
    {
      "message_id": 0,
      "agent_id": 16,
      "delay": 0.952,
      "onscreen_delay": 0,
      "typing_delay": 0.952,
      "typing_duration": 6.839,
      "wpm": 50,
      "message": "เอา 26 ไปหาร 2 26 หาร 2 "
    },
    {
      "message_id": 1,
      "agent_id": 29,
      "delay": 2.836,
      "onscreen_delay": 2.176,
      "typing_delay": 0.66,
      "typing_duration": 10.973,
      "wpm": 29,
      "message": "26 หาร 2 หารลงตัวนะคะ "
    },
    {
      "message_id": 2,
      "agent_id": 13,
      "delay": 6.972,
      "onscreen_delay": 6.404,
      "typing_delay": 0.568,
      "typing_duration": 13.116,
      "wpm": 49,
      "message": "เพราะว่า 26 เป็นจำนวนคู่ หารได้ลงตัวเป็น 13 "
    },
    {
      "message_id": 3,
      "agent_id": 14,
      "delay": 9.113,
      "onscreen_delay": 8.458,
      "typing_delay": 0.655,
      "typing_duration": 12.846,
      "wpm": 76,
      "message": "13 (นักศึกษาชาย) อาจารย์ครับ (ดร.ชนัญกาญจน์) ครับผม (นักศึกษาชาย) "
    },
    {
      "message_id": 4,
      "agent_id": 16,
      "delay": 8.846,
      "onscreen_delay": 7.916,
      "typing_delay": 0.93,
      "typing_duration": 9.488,
      "wpm": 44,
      "message": "คำตอบเป็น 1010.10 ใช่ไหมครับ "
    },
    {
      "message_id": 5,
      "agent_id": 29,
      "delay": 5.486,
      "onscreen_delay": 4.733,
      "typing_delay": 0.753,
      "typing_duration": 9.291,
      "wpm": 47,
      "message": "เดี๋ยว พงพร รอเพื่อนก่อนนะลูก "
    },
    {
      "message_id": 6,
      "agent_id": 13,
      "delay": 5.29,
      "onscreen_delay": 3.438,
      "typing_delay": 1.852,
      "typing_duration": 10.291,
      "wpm": 34,
      "message": "เก่งมากเลย เดี๋ยวพงษ์พร "
    },
    {
      "message_id": 7,
      "agent_id": 14,
      "delay": 6.288,
      "onscreen_delay": 6.014,
      "typing_delay": 0.274,
      "typing_duration": 7.553,
      "wpm": 52,
      "message": "เดี๋ยวทำโจทย์รอครูก็ได้นคะ "
    },
    {
      "message_id": 8,
      "agent_id": 16,
      "delay": 3.552,
      "onscreen_delay": 1.334,
      "typing_delay": 2.218,
      "typing_duration": 8.508,
      "wpm": 46,
      "message": "รอเช็กว่าครูทำถูกหรือทำผิด"
    },
    {
      "message_id": 9,
      "agent_id": 29,
      "delay": 4.506,
      "onscreen_delay": 3.248,
      "typing_delay": 1.258,
      "typing_duration": 10.473,
      "wpm": 56,
      "message": "เดี่ยวตอนนี้ครูอธิบายให้เพื่อนฟังก่อนนะ "
    },
    {
      "message_id": 10,
      "agent_id": 13,
      "delay": 6.471,
      "onscreen_delay": 4.844,
      "typing_delay": 1.627,
      "typing_duration": 6.301,
      "wpm": 40,
      "message": "หารลงตัวเศษเป็น 0 "
    },
    {
      "message_id": 11,
      "agent_id": 14,
      "delay": 2.47,
      "onscreen_delay": 1.558,
      "typing_delay": 0.912,
      "typing_duration": 11.786,
      "wpm": 43,
      "message": "โอเคเศษ 0 ครูก็เอาคำตอบมาตอบตรงนี้ "
    },
    {
      "message_id": 12,
      "agent_id": 16,
      "delay": 7.785,
      "onscreen_delay": 4.601,
      "typing_delay": 3.184,
      "typing_duration": 5.619,
      "wpm": 32,
      "message": "13 เศษอะไรคะ "
    },
    {
      "message_id": 13,
      "agent_id": 29,
      "delay": 3.783,
      "onscreen_delay": 3.05,
      "typing_delay": 0.733,
      "typing_duration": 7.1,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 14,
      "agent_id": 13,
      "delay": 3.098,
      "onscreen_delay": 1.865,
      "typing_delay": 1.233,
      "typing_duration": 14.167,
      "wpm": 31,
      "message": "เศษ 0 นี่คือคำตอบจาก Step แรก "
    },
    {
      "message_id": 15,
      "agent_id": 14,
      "delay": 10.164,
      "onscreen_delay": 9.494,
      "typing_delay": 0.67,
      "typing_duration": 9.374,
      "wpm": 70,
      "message": "ขั้นตอนที่ 1 ที่เราหารด้วย 2 เราก็มาดูว่า... "
    },
    {
      "message_id": 16,
      "agent_id": 16,
      "delay": 6.162,
      "onscreen_delay": 5.734,
      "typing_delay": 0.428,
      "typing_duration": 5.776,
      "wpm": 68,
      "message": "เราจะอธิบายช้า ๆ ให้เข้าใจ "
    },
    {
      "message_id": 17,
      "agent_id": 29,
      "delay": 2.16,
      "onscreen_delay": 1.305,
      "typing_delay": 0.855,
      "typing_duration": 13.521,
      "wpm": 53,
      "message": "เป็นเรื่องเดียวกัน ส่วนใครที่ทำความเข้าใจได้แล้ว"
    },
    {
      "message_id": 18,
      "agent_id": 13,
      "delay": 9.521,
      "onscreen_delay": 8.796,
      "typing_delay": 0.725,
      "typing_duration": 12.446,
      "wpm": 54,
      "message": "นะคะ สุดยอดมาก เดี๋ยวจะมาช่วยครูติวเพื่อนนะคะ "
    },
    {
      "message_id": 19,
      "agent_id": 14,
      "delay": 8.444,
      "onscreen_delay": 7.322,
      "typing_delay": 1.122,
      "typing_duration": 9.697,
      "wpm": 70,
      "message": "เราจะเห็นว่าขั้นที่ 2 นี่ยังทำได้อีก เพราะ 13 "
    },
    {
      "message_id": 20,
      "agent_id": 16,
      "delay": 5.695,
      "onscreen_delay": 4.5,
      "typing_delay": 1.195,
      "typing_duration": 5.207,
      "wpm": 72,
      "message": "มันมากกว่า 2 ต้องหารต่อนะ "
    },
    {
      "message_id": 21,
      "agent_id": 29,
      "delay": 1.695,
      "onscreen_delay": 0.957,
      "typing_delay": 0.738,
      "typing_duration": 6.483,
      "wpm": 39,
      "message": "หารไปเลย หารไปเลย"
    },
    {
      "message_id": 22,
      "agent_id": 13,
      "delay": 2.481,
      "onscreen_delay": 2.438,
      "typing_delay": 0.043,
      "typing_duration": 10.746,
      "wpm": 49,
      "message": "ต้องหารด้วย 2 เท่านั้น อันนี้คิดอีก "
    },
    {
      "message_id": 23,
      "agent_id": 14,
      "delay": 6.742,
      "onscreen_delay": 6.246,
      "typing_delay": 0.496,
      "typing_duration": 9.71,
      "wpm": 70,
      "message": "ครูคิดตรงนี้ ครูเขียนให้เพื่อนดูนะคะ 13 หาร 2 "
    },
    {
      "message_id": 24,
      "agent_id": 16,
      "delay": 5.709,
      "onscreen_delay": 5.093,
      "typing_delay": 0.616,
      "typing_duration": 9.206,
      "wpm": 78,
      "message": "เท่ากับอะไร หารไม่ลงตัว เพราะ 13 มันเป็นจำนวนคี่"
    },
    {
      "message_id": 25,
      "agent_id": 29,
      "delay": 5.204,
      "onscreen_delay": 3.167,
      "typing_delay": 2.037,
      "typing_duration": 10.041,
      "wpm": 40,
      "message": "เราก็คิดว่า 2 คูณอะไรได้ 13 "
    },
    {
      "message_id": 26,
      "agent_id": 13,
      "delay": 6.039,
      "onscreen_delay": 5.957,
      "typing_delay": 0.082,
      "typing_duration": 8.439,
      "wpm": 50,
      "message": "ได้คำตอบใกล้เคียง 13 2 คูณ 6 "
    },
    {
      "message_id": 27,
      "agent_id": 14,
      "delay": 4.437,
      "onscreen_delay": 3.72,
      "typing_delay": 0.717,
      "typing_duration": 6.649,
      "wpm": 68,
      "message": "เป็น 12 ใช่ไหมคะ ดังนั้น ก็ตอบ "
    },
    {
      "message_id": 28,
      "agent_id": 16,
      "delay": 2.647,
      "onscreen_delay": 2.087,
      "typing_delay": 0.56,
      "typing_duration": 14.745,
      "wpm": 11,
      "message": "6 เศษอะไรคะ "
    },
    {
      "message_id": 29,
      "agent_id": 29,
      "delay": 10.743,
      "onscreen_delay": 8.021,
      "typing_delay": 2.722,
      "typing_duration": 9.978,
      "wpm": 15,
      "message": "เห็นไหม ก็ "
    },
    {
      "message_id": 30,
      "agent_id": 13,
      "delay": 6.741,
      "onscreen_delay": 6.395,
      "typing_delay": 0.346,
      "typing_duration": 6.202,
      "wpm": 46,
      "message": "2 คูณ 6 นี่ เป็น 12 "
    },
    {
      "message_id": 31,
      "agent_id": 14,
      "delay": 2.739,
      "onscreen_delay": 0.418,
      "typing_delay": 2.321,
      "typing_duration": 6.882,
      "wpm": 13,
      "message": "12 นี่"
    },
    {
      "message_id": 32,
      "agent_id": 16,
      "delay": 2.88,
      "onscreen_delay": 2.459,
      "typing_delay": 0.421,
      "typing_duration": 9.139,
      "wpm": 71,
      "message": "มันต่างกับ 13 อยู่ 1 ก็คือเศษที่หารไม่ลงตัว "
    },
    {
      "message_id": 33,
      "agent_id": 29,
      "delay": 5.137,
      "onscreen_delay": 3.437,
      "typing_delay": 1.7,
      "typing_duration": 12.836,
      "wpm": 47,
      "message": "พอได้อย่างนี้แล้ว ก็เอาคำตอบมาเขียนในนี้ "
    },
    {
      "message_id": 34,
      "agent_id": 13,
      "delay": 8.834,
      "onscreen_delay": 7.14,
      "typing_delay": 1.694,
      "typing_duration": 7.228,
      "wpm": 46,
      "message": "คำตอบ ก็คือจำนวนเต็ม 6 "
    },
    {
      "message_id": 35,
      "agent_id": 14,
      "delay": 4.833,
      "onscreen_delay": 3.957,
      "typing_delay": 0.876,
      "typing_duration": 4.549,
      "wpm": 16,
      "message": "เศษ 1 "
    },
    {
      "message_id": 36,
      "agent_id": 16,
      "delay": 3.428,
      "onscreen_delay": 0,
      "typing_delay": 3.428,
      "typing_duration": 4.755,
      "wpm": 16,
      "message": "เศษ 1 "
    },
    {
      "message_id": 37,
      "agent_id": 29,
      "delay": 2.473,
      "onscreen_delay": 0,
      "typing_delay": 2.473,
      "typing_duration": 8.378,
      "wpm": 63,
      "message": "การทำงานนี้เสร็จหรือยัง ยังไม่เสร็จ"
    },
    {
      "message_id": 38,
      "agent_id": 13,
      "delay": 4.377,
      "onscreen_delay": 3.215,
      "typing_delay": 1.162,
      "typing_duration": 8.556,
      "wpm": 67,
      "message": "เพราะ 6 มันยังมากกว่า 2 อยู่ หารได้อีก "
    },
    {
      "message_id": 39,
      "agent_id": 14,
      "delay": 4.554,
      "onscreen_delay": 4.378,
      "typing_delay": 0.176,
      "typing_duration": 8.243,
      "wpm": 71,
      "message": "สนุกมากเลยนะคะ คณิตศาสตร์เรานี่สนุกนะคะ "
    },
    {
      "message_id": 40,
      "agent_id": 16,
      "delay": 4.242,
      "onscreen_delay": 2.285,
      "typing_delay": 1.957,
      "typing_duration": 9.076,
      "wpm": 61,
      "message": "พอเรารู้หลักการ แล้วเราจะทำไปเรื่อย ๆ"
    },
    {
      "message_id": 41,
      "agent_id": 29,
      "delay": 5.075,
      "onscreen_delay": 4.785,
      "typing_delay": 0.29,
      "typing_duration": 4.777,
      "wpm": 57,
      "message": "มาหารอีก 2 หารปุ๊บ "
    },
    {
      "message_id": 42,
      "agent_id": 13,
      "delay": 2.093,
      "onscreen_delay": 0,
      "typing_delay": 2.093,
      "typing_duration": 6.877,
      "wpm": 33,
      "message": "2 คูณอะไรเป็น 6 "
    },
    {
      "message_id": 43,
      "agent_id": 14,
      "delay": 2.876,
      "onscreen_delay": 2.445,
      "typing_delay": 0.431,
      "typing_duration": 9.142,
      "wpm": 49,
      "message": "2 3 หารลงตัว เราเริ่มชำนาญนะคะ "
    },
    {
      "message_id": 44,
      "agent_id": 16,
      "delay": 5.141,
      "onscreen_delay": 2.496,
      "typing_delay": 2.645,
      "typing_duration": 6.701,
      "wpm": 31,
      "message": "ก็เป็น 3 เศษ 0"
    },
    {
      "message_id": 45,
      "agent_id": 29,
      "delay": 3.766,
      "onscreen_delay": 0,
      "typing_delay": 3.766,
      "typing_duration": 7.242,
      "wpm": 8,
      "message": "โอเค "
    },
    {
      "message_id": 46,
      "agent_id": 13,
      "delay": 3.242,
      "onscreen_delay": 2.121,
      "typing_delay": 1.121,
      "typing_duration": 7.102,
      "wpm": 70,
      "message": "3 หารได้อีกไหม ได้ 3 มันมากกว่า 2 "
    },
    {
      "message_id": 47,
      "agent_id": 14,
      "delay": 3.101,
      "onscreen_delay": 2.175,
      "typing_delay": 0.926,
      "typing_duration": 6.945,
      "wpm": 22,
      "message": "ต้องหารอีก "
    },
    {
      "message_id": 48,
      "agent_id": 16,
      "delay": 2.943,
      "onscreen_delay": 1.478,
      "typing_delay": 1.465,
      "typing_duration": 7.582,
      "wpm": 36,
      "message": "2 3 หาร 2 ได้คำตอบ"
    },
    {
      "message_id": 49,
      "agent_id": 29,
      "delay": 3.58,
      "onscreen_delay": 3.332,
      "typing_delay": 0.248,
      "typing_duration": 6.595,
      "wpm": 34,
      "message": "เป็นจำนวนเต็ม 1 "
    },
    {
      "message_id": 50,
      "agent_id": 13,
      "delay": 3.425,
      "onscreen_delay": 0,
      "typing_delay": 3.425,
      "typing_duration": 13.066,
      "wpm": 29,
      "message": "(ล่าม) อาจารย์คะ ขอโทษค่ะ "
    },
    {
      "message_id": 51,
      "agent_id": 14,
      "delay": 9.064,
      "onscreen_delay": 8.911,
      "typing_delay": 0.153,
      "typing_duration": 15.002,
      "wpm": 63,
      "message": "ตอนนี้อาจารย์ยังอยู่ใน Jamboard หรือ PowerPoint (ดร.ชนัญกาญจน์) "
    },
    {
      "message_id": 52,
      "agent_id": 16,
      "delay": 10.96,
      "onscreen_delay": 9.786,
      "typing_delay": 1.174,
      "typing_duration": 6.113,
      "wpm": 29,
      "message": "JamBoard ค่ะ "
    },
    {
      "message_id": 53,
      "agent_id": 29,
      "delay": 6.959,
      "onscreen_delay": 5.232,
      "typing_delay": 1.727,
      "typing_duration": 11.811,
      "wpm": 42,
      "message": "ต้องขอ... (อาจารย์ชนัญกาญจน์) ค่ะ "
    },
    {
      "message_id": 54,
      "agent_id": 13,
      "delay": 7.807,
      "onscreen_delay": 6.048,
      "typing_delay": 1.759,
      "typing_duration": 12.552,
      "wpm": 73,
      "message": "(ล่าม) ขอบคุณค่ะ (อาจารย์ชนัญกาญจน์) ต้องขอบคุณครูล่ามต่างหาก "
    },
    {
      "message_id": 55,
      "agent_id": 14,
      "delay": 8.551,
      "onscreen_delay": 6.224,
      "typing_delay": 2.327,
      "typing_duration": 10.833,
      "wpm": 44,
      "message": "(ล่าม) ก็เลยยังงงว่า 13 มาจากไหน "
    },
    {
      "message_id": 56,
      "agent_id": 16,
      "delay": 6.828,
      "onscreen_delay": 3.187,
      "typing_delay": 3.641,
      "typing_duration": 5.576,
      "wpm": 43,
      "message": "(ล่าม) ขอบคุณค่ะ "
    },
    {
      "message_id": 57,
      "agent_id": 29,
      "delay": 2.827,
      "onscreen_delay": 2.342,
      "typing_delay": 0.485,
      "typing_duration": 7.498,
      "wpm": 44,
      "message": "ครูอธิบายจนจะเสร็จแล้ว "
    },
    {
      "message_id": 58,
      "agent_id": 13,
      "delay": 3.496,
      "onscreen_delay": 1.746,
      "typing_delay": 1.75,
      "typing_duration": 11.765,
      "wpm": 75,
      "message": "(อาจารย์ชนัญกาญจน์) รบกวนคุณครูล่ามช่วยสะกิดด้วยนะคะ (ล่าม) "
    },
    {
      "message_id": 59,
      "agent_id": 14,
      "delay": 7.761,
      "onscreen_delay": 7.465,
      "typing_delay": 0.296,
      "typing_duration": 13.447,
      "wpm": 27,
      "message": "ได้ค่ะ ช่วยกันค่ะช่วยกัน "
    },
    {
      "message_id": 60,
      "agent_id": 16,
      "delay": 9.447,
      "onscreen_delay": 6.679,
      "typing_delay": 2.768,
      "typing_duration": 6.882,
      "wpm": 98,
      "message": "(อาจารย์ชนัญกาญจน์) ตอนนี้อยู่ที่ห้องทำงานค่ะ "
    },
    {
      "message_id": 61,
      "agent_id": 29,
      "delay": 5.445,
      "onscreen_delay": 4.38,
      "typing_delay": 1.065,
      "typing_duration": 7.604,
      "wpm": 49,
      "message": "ก็เลยไม่รู้ว่าแชร์หรือยัง "
    },
    {
      "message_id": 62,
      "agent_id": 13,
      "delay": 3.602,
      "onscreen_delay": 1.197,
      "typing_delay": 2.405,
      "typing_duration": 10.929,
      "wpm": 51,
      "message": "นักศึกษาก็ช่วยครูด้วย เอ๊ะ ครูพูดอะไร "
    },
    {
      "message_id": 63,
      "agent_id": 14,
      "delay": 6.928,
      "onscreen_delay": 6.629,
      "typing_delay": 0.299,
      "typing_duration": 5.36,
      "wpm": 70,
      "message": "ผมไม่เห็นอะไรเลยที่ครูพูด "
    },
    {
      "message_id": 64,
      "agent_id": 16,
      "delay": 3.46,
      "onscreen_delay": 0,
      "typing_delay": 3.46,
      "typing_duration": 8.634,
      "wpm": 36,
      "message": "อยู่ที่ Jamboard นะคะ "
    },
    {
      "message_id": 65,
      "agent_id": 29,
      "delay": 4.634,
      "onscreen_delay": 1.612,
      "typing_delay": 3.022,
      "typing_duration": 15.001,
      "wpm": 41,
      "message": "แต่ถ้าเราไปที่ Jamboard ที่ครูให้ลิงก์ไว้ "
    },
    {
      "message_id": 66,
      "agent_id": 13,
      "delay": 10.999,
      "onscreen_delay": 9.582,
      "typing_delay": 1.417,
      "typing_duration": 14.718,
      "wpm": 42,
      "message": "ไปที่ Jamboard ที่ครูให้ลิงก์ไว้ นักศึกษา"
    },
    {
      "message_id": 67,
      "agent_id": 14,
      "delay": 10.716,
      "onscreen_delay": 10.592,
      "typing_delay": 0.124,
      "typing_duration": 12.428,
      "wpm": 59,
      "message": "มองเห็นได้ ตอนนี้เราจะเพิ่มช่องทางสไลด์ 2 ช่องทาง "
    },
    {
      "message_id": 68,
      "agent_id": 16,
      "delay": 8.426,
      "onscreen_delay": 7.47,
      "typing_delay": 0.956,
      "typing_duration": 8.395,
      "wpm": 52,
      "message": "ก็คือ 1 ไปที่ตัว Jamboard เลย "
    },
    {
      "message_id": 69,
      "agent_id": 29,
      "delay": 4.425,
      "onscreen_delay": 3.325,
      "typing_delay": 1.1,
      "typing_duration": 12.205,
      "wpm": 27,
      "message": "อีกครั้งหนึ่งนะคะ หรือ"
    },
    {
      "message_id": 70,
      "agent_id": 13,
      "delay": 8.205,
      "onscreen_delay": 7.767,
      "typing_delay": 0.438,
      "typing_duration": 10.715,
      "wpm": 46,
      "message": "ดูที่การแชร์ที่ Google Meet ก็ได้ "
    },
    {
      "message_id": 71,
      "agent_id": 14,
      "delay": 6.711,
      "onscreen_delay": 4.986,
      "typing_delay": 1.725,
      "typing_duration": 10.412,
      "wpm": 45,
      "message": "แต่เดี๋ยวครูจะคอนเวิร์ดเป็น PDF "
    },
    {
      "message_id": 72,
      "agent_id": 16,
      "delay": 6.41,
      "onscreen_delay": 5.924,
      "typing_delay": 0.486,
      "typing_duration": 8.146,
      "wpm": 81,
      "message": "ให้พวกเราได้ทบทวนนะคะ ไปดูขั้นตอนสุดท้ายแล้ว "
    },
    {
      "message_id": 73,
      "agent_id": 29,
      "delay": 4.146,
      "onscreen_delay": 2.219,
      "typing_delay": 1.927,
      "typing_duration": 9.343,
      "wpm": 47,
      "message": "3 นี่หารด้วย 2 มันหารไม่ลงตัว"
    },
    {
      "message_id": 74,
      "agent_id": 13,
      "delay": 5.341,
      "onscreen_delay": 4.016,
      "typing_delay": 1.325,
      "typing_duration": 8.94,
      "wpm": 40,
      "message": "จำนวนเต็ม 1 เศษ 1 พงษ์พร "
    },
    {
      "message_id": 75,
      "agent_id": 14,
      "delay": 4.94,
      "onscreen_delay": 4.649,
      "typing_delay": 0.291,
      "typing_duration": 6.144,
      "wpm": 78,
      "message": "คำตอบที่เธอทำกับครูได้เท่ากันไหม "
    },
    {
      "message_id": 76,
      "agent_id": 16,
      "delay": 3.985,
      "onscreen_delay": 0,
      "typing_delay": 3.985,
      "typing_duration": 8.138,
      "wpm": 35,
      "message": "พงษ์ภรณ์อยู่ไหมครับ "
    },
    {
      "message_id": 77,
      "agent_id": 29,
      "delay": 4.137,
      "onscreen_delay": 2.111,
      "typing_delay": 2.026,
      "typing_duration": 11.407,
      "wpm": 59,
      "message": "(นักศึกษาชาย) อยู่ครับ ผมได้ 0 เกินมาตัวหนึ่ง "
    },
    {
      "message_id": 78,
      "agent_id": 13,
      "delay": 7.403,
      "onscreen_delay": 5.858,
      "typing_delay": 1.545,
      "typing_duration": 12.855,
      "wpm": 55,
      "message": "(อาจารย์ชนัญกาญจน์) ได้ 0 มาตัวหนึ่ง ดูตามครูนะ "
    },
    {
      "message_id": 79,
      "agent_id": 14,
      "delay": 8.855,
      "onscreen_delay": 8.713,
      "typing_delay": 0.142,
      "typing_duration": 8.354,
      "wpm": 66,
      "message": "ครูจะเขียนตัวที่ 1 คือเลขอะไรคะ เลข 1 "
    },
    {
      "message_id": 80,
      "agent_id": 16,
      "delay": 4.852,
      "onscreen_delay": 3.028,
      "typing_delay": 1.824,
      "typing_duration": 7.19,
      "wpm": 44,
      "message": "เลข 1 แล้วก็ 1 ตัวนี้"
    },
    {
      "message_id": 81,
      "agent_id": 29,
      "delay": 3.186,
      "onscreen_delay": 2.574,
      "typing_delay": 0.612,
      "typing_duration": 7.09,
      "wpm": 49,
      "message": "1 ตัวนี้ต่อไปเป็นอะไรคะ "
    },
    {
      "message_id": 82,
      "agent_id": 13,
      "delay": 3.088,
      "onscreen_delay": 2.219,
      "typing_delay": 0.869,
      "typing_duration": 11.715,
      "wpm": 81,
      "message": "(นักศึกษาชาย) 1 (อาจารย์ชนัญกาญจน์) ต่อไปเป็น 1 (นักศึกษาชาย) 1"
    },
    {
      "message_id": 83,
      "agent_id": 14,
      "delay": 7.713,
      "onscreen_delay": 6.731,
      "typing_delay": 0.982,
      "typing_duration": 11.354,
      "wpm": 59,
      "message": "ต่อไปเป็น 0 ตรงนี้ไม่มี 0 นะลูก (นักศึกษาชาย) "
    },
    {
      "message_id": 84,
      "agent_id": 16,
      "delay": 7.354,
      "onscreen_delay": 6.712,
      "typing_delay": 0.642,
      "typing_duration": 5.342,
      "wpm": 45,
      "message": "ตรงนี้ไม่มีนะ ผม"
    },
    {
      "message_id": 85,
      "agent_id": 29,
      "delay": 3.352,
      "onscreen_delay": 2.209,
      "typing_delay": 1.143,
      "typing_duration": 10.098,
      "wpm": 62,
      "message": "ผมได้ทีละ 1 0 1 0 แต่ได้เกินมาตัวหนึ่งครับ "
    },
    {
      "message_id": 86,
      "agent_id": 13,
      "delay": 6.087,
      "onscreen_delay": 4.048,
      "typing_delay": 2.039,
      "typing_duration": 8.597,
      "wpm": 45,
      "message": "เกิน 0 ของเรามาจากตรงไหนคะ "
    },
    {
      "message_id": 87,
      "agent_id": 14,
      "delay": 4.595,
      "onscreen_delay": 3.777,
      "typing_delay": 0.818,
      "typing_duration": 10.672,
      "wpm": 82,
      "message": "(นักศึกษาชาย) อ๋อ ผมหารผิดนิดหน่อยครับ (ดร.ชนัญกาญจน์) ครู"
    },
    {
      "message_id": 88,
      "agent_id": 16,
      "delay": 6.671,
      "onscreen_delay": 4.944,
      "typing_delay": 1.727,
      "typing_duration": 9.995,
      "wpm": 53,
      "message": "ครูดีใจที่เราสามารถตรวจงานตัวเองได้ "
    },
    {
      "message_id": 89,
      "agent_id": 29,
      "delay": 5.993,
      "onscreen_delay": 5.361,
      "typing_delay": 0.632,
      "typing_duration": 11.092,
      "wpm": 45,
      "message": "มากเลยนะคะ ที่เราคิดแล้วเรารู้ว่า"
    },
    {
      "message_id": 90,
      "agent_id": 13,
      "delay": 7.092,
      "onscreen_delay": 4.092,
      "typing_delay": 3,
      "typing_duration": 8.51,
      "wpm": 46,
      "message": "ที่ผิดตรงนี้มันเป็นอย่างไร "
    },
    {
      "message_id": 91,
      "agent_id": 14,
      "delay": 4.509,
      "onscreen_delay": 4.186,
      "typing_delay": 0.323,
      "typing_duration": 12.174,
      "wpm": 48,
      "message": "ที่สมบูรณ์แบบแล้ว ครูชื่นชมนะคะพงศ์พรณ์"
    },
    {
      "message_id": 92,
      "agent_id": 16,
      "delay": 8.172,
      "onscreen_delay": 5.703,
      "typing_delay": 2.469,
      "typing_duration": 5.967,
      "wpm": 63,
      "message": "ที่เราตรวจงานของตัวเองได้"
    },
    {
      "message_id": 93,
      "agent_id": 29,
      "delay": 4.139,
      "onscreen_delay": 3.863,
      "typing_delay": 0.276,
      "typing_duration": 10.095,
      "wpm": 61,
      "message": "ไม่มีเศษนะ เพราะมันยังไม่เกิดกระบวนการหาร"
    },
    {
      "message_id": 94,
      "agent_id": 13,
      "delay": 6.091,
      "onscreen_delay": 4.771,
      "typing_delay": 1.32,
      "typing_duration": 10.766,
      "wpm": 45,
      "message": "ตรงที่ครูทำกากบาท X ไว้ตรงนี้นี่ "
    },
    {
      "message_id": 95,
      "agent_id": 14,
      "delay": 6.764,
      "onscreen_delay": 6.329,
      "typing_delay": 0.435,
      "typing_duration": 10.995,
      "wpm": 83,
      "message": "เพราะว่ายังไม่ได้เริ่มหาร ยังไม่ได้ดำเนินการทางคณิตศาสตร์ใด ๆ "
    },
    {
      "message_id": 96,
      "agent_id": 16,
      "delay": 6.993,
      "onscreen_delay": 6.133,
      "typing_delay": 0.86,
      "typing_duration": 9.203,
      "wpm": 77,
      "message": "ทั้งสิ้นในขั้นตอนนี้ เศษ มันจะไปอยู่บรรทัดที่ 2 "
    },
    {
      "message_id": 97,
      "agent_id": 29,
      "delay": 5.203,
      "onscreen_delay": 4.719,
      "typing_delay": 0.484,
      "typing_duration": 4.84,
      "wpm": 74,
      "message": "มันจะไปอยู่ในบรรทัดที่ 2 "
    },
    {
      "message_id": 98,
      "agent_id": 13,
      "delay": 1.201,
      "onscreen_delay": 0.632,
      "typing_delay": 0.569,
      "typing_duration": 7.661,
      "wpm": 61,
      "message": "มีเศษเป็นอะไร เอามาเขียนใส่นะคะ "
    },
    {
      "message_id": 99,
      "agent_id": 14,
      "delay": 3.658,
      "onscreen_delay": 3.147,
      "typing_delay": 0.511,
      "typing_duration": 9.672,
      "wpm": 60,
      "message": "โอเค อย่างนั้นถ้าครูเขียนอย่างนี้นี่มัน"
    },
    {
      "message_id": 100,
      "agent_id": 16,
      "delay": 5.668,
      "onscreen_delay": 4.152,
      "typing_delay": 1.516,
      "typing_duration": 5.818,
      "wpm": 49,
      "message": "ใบ้หวยอะไรหรือเปล่า"
    },
    {
      "message_id": 101,
      "agent_id": 29,
      "delay": 1.817,
      "onscreen_delay": 0.61,
      "typing_delay": 1.207,
      "typing_duration": 8.819,
      "wpm": 65,
      "message": "ถ้าคนเขาไม่ได้เรียนคณิตศาสตร์มาเขาก็จะ"
    },
    {
      "message_id": 102,
      "agent_id": 13,
      "delay": 4.817,
      "onscreen_delay": 4.41,
      "typing_delay": 0.407,
      "typing_duration": 6.895,
      "wpm": 70,
      "message": "ไม่มั่นใจ เป็นการเขียนไม่สมบูรณ์ "
    },
    {
      "message_id": 103,
      "agent_id": 14,
      "delay": 2.893,
      "onscreen_delay": 2.642,
      "typing_delay": 0.251,
      "typing_duration": 10.192,
      "wpm": 62,
      "message": "ถ้าให้สมบูรณ์เป็น 3 ตัวต้องทำเป็นเลขอะไรคะ "
    },
    {
      "message_id": 104,
      "agent_id": 16,
      "delay": 6.191,
      "onscreen_delay": 4.693,
      "typing_delay": 1.498,
      "typing_duration": 10.158,
      "wpm": 56,
      "message": "2 ห้อยเข้าไปให้รู้ว่า เป็นระบบเลขฐาน 2 "
    },
    {
      "message_id": 105,
      "agent_id": 29,
      "delay": 6.157,
      "onscreen_delay": 5.024,
      "typing_delay": 1.133,
      "typing_duration": 9.279,
      "wpm": 63,
      "message": "การเขียนให้เป็นภาษาคณิตศาสตร์เป็นเรื่อง"
    },
    {
      "message_id": 106,
      "agent_id": 13,
      "delay": 5.274,
      "onscreen_delay": 4.349,
      "typing_delay": 0.925,
      "typing_duration": 7.548,
      "wpm": 60,
      "message": "การใช้สัญลักษณ์ที่เป็นสากลนะคะ "
    },
    {
      "message_id": 107,
      "agent_id": 14,
      "delay": 3.546,
      "onscreen_delay": 3.422,
      "typing_delay": 0.124,
      "typing_duration": 13.018,
      "wpm": 56,
      "message": "ถ้าเขาไม่เขียนเลข 2 ถ้าใครเคยเรียนเลขระบบฐาน 2 มา "
    },
    {
      "message_id": 108,
      "agent_id": 16,
      "delay": 9.017,
      "onscreen_delay": 7.261,
      "typing_delay": 1.756,
      "typing_duration": 5.287,
      "wpm": 34,
      "message": "เป็น 100 100 "
    },
    {
      "message_id": 109,
      "agent_id": 29,
      "delay": 5.015,
      "onscreen_delay": 4.508,
      "typing_delay": 0.507,
      "typing_duration": 10.661,
      "wpm": 44,
      "message": "เป็นเลขฐาน 2 หรือเปล่าไม่มั่นใจ "
    },
    {
      "message_id": 110,
      "agent_id": 13,
      "delay": 6.659,
      "onscreen_delay": 5.101,
      "typing_delay": 1.558,
      "typing_duration": 6.64,
      "wpm": 56,
      "message": "ถึงจะรู้ โอเค คอมพิวเตอร์"
    },
    {
      "message_id": 111,
      "agent_id": 14,
      "delay": 2.659,
      "onscreen_delay": 1.618,
      "typing_delay": 1.041,
      "typing_duration": 13.21,
      "wpm": 41,
      "message": "ข้อมูลมันเมื่อก่อนเป็นแบบนี้ 0 0 1 1 "
    },
    {
      "message_id": 112,
      "agent_id": 16,
      "delay": 9.209,
      "onscreen_delay": 1.394,
      "typing_delay": 7.815,
      "typing_duration": 7.815,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 113,
      "agent_id": 29,
      "delay": 5.207,
      "onscreen_delay": 3.859,
      "typing_delay": 1.348,
      "typing_duration": 9.873,
      "wpm": 62,
      "message": "ครูจะแก้ตัว ว่าเมื่อกี้ไม่ได้ใช้ Jamboard "
    },
    {
      "message_id": 114,
      "agent_id": 13,
      "delay": 5.805,
      "onscreen_delay": 5.248,
      "typing_delay": 0.557,
      "typing_duration": 4.225,
      "wpm": 21,
      "message": "ตอนนี้"
    },
    {
      "message_id": 115,
      "agent_id": 14,
      "delay": 1.801,
      "onscreen_delay": 0.504,
      "typing_delay": 1.297,
      "typing_duration": 5.571,
      "wpm": 38,
      "message": "เอาเลขอะไรดีนะ "
    },
    {
      "message_id": 116,
      "agent_id": 16,
      "delay": 1.593,
      "onscreen_delay": 0,
      "typing_delay": 1.593,
      "typing_duration": 8.276,
      "wpm": 82,
      "message": "อันนี้อาจารย์จะค่อย ๆ หารให้เด็ก ๆ ดูใช่ไหมคะ "
    },
    {
      "message_id": 117,
      "agent_id": 29,
      "delay": 4.273,
      "onscreen_delay": 3.472,
      "typing_delay": 0.801,
      "typing_duration": 8.085,
      "wpm": 35,
      "message": "นักศึกษาจะแก้ตัวค่ะ "
    },
    {
      "message_id": 118,
      "agent_id": 13,
      "delay": 4.083,
      "onscreen_delay": 2.551,
      "typing_delay": 1.532,
      "typing_duration": 14.066,
      "wpm": 55,
      "message": "13 กับ 12 อยู่ค่ะ (อาจารย์ชนัญกาญจน์) โอเคค่ะ (ล่าม) "
    },
    {
      "message_id": 119,
      "agent_id": 14,
      "delay": 10.065,
      "onscreen_delay": 9.223,
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      "delay": 9.855,
      "onscreen_delay": 8.514,
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      "agent_id": 29,
      "delay": 5.852,
      "onscreen_delay": 3.438,
      "typing_delay": 2.414,
      "typing_duration": 4.575,
      "wpm": 23,
      "message": "นพกิต ๆ "
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      "delay": 4.511,
      "onscreen_delay": 0,
      "typing_delay": 4.511,
      "typing_duration": 11.793,
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      "message": "เดี๋ยวลองโจทย์ใหม่นะคะ "
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      "typing_delay": 4.154,
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      "typing_delay": 1.385,
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      "delay": 15.004,
      "onscreen_delay": 0,
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      "typing_duration": 15.004,
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      "agent_id": 29,
      "delay": 15.001,
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      "typing_duration": 15.001,
      "wpm": 0,
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      "agent_id": 13,
      "delay": 15.003,
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      "typing_delay": 4.276,
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      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
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      "delay": 15.002,
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      "delay": 15.001,
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      "message_id": 137,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
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    },
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      "message_id": 138,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 139,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 140,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
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      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 141,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 142,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 143,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 8.443,
      "typing_delay": 2.556,
      "typing_duration": 5.67,
      "wpm": 48,
      "message": "เดี๋ยวรอเพื่อนนะคะ "
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    {
      "message_id": 144,
      "agent_id": 16,
      "delay": 6.982,
      "onscreen_delay": 2.388,
      "typing_delay": 4.594,
      "typing_duration": 4.594,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 145,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 146,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 147,
      "agent_id": 14,
      "delay": 15.003,
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      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 148,
      "agent_id": 16,
      "delay": 11,
      "onscreen_delay": 6.008,
      "typing_delay": 4.992,
      "typing_duration": 6.946,
      "wpm": 24,
      "message": "ใครลบให้ครู"
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    {
      "message_id": 149,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 6.286,
      "typing_delay": 0.711,
      "typing_duration": 4.23,
      "wpm": 39,
      "message": "ใครลบให้ครู"
    },
    {
      "message_id": 150,
      "agent_id": 13,
      "delay": 3.551,
      "onscreen_delay": 0,
      "typing_delay": 3.551,
      "typing_duration": 15.001,
      "wpm": 41,
      "message": "วริษาลบให้ครู (นักศึกษาชาย) ผมลบไม้เอกออก "
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      "message_id": 151,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 6.345,
      "typing_delay": 4.654,
      "typing_duration": 4.654,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 152,
      "agent_id": 16,
      "delay": 6.998,
      "onscreen_delay": 0.842,
      "typing_delay": 6.156,
      "typing_duration": 10.994,
      "wpm": 37,
      "message": "นักศึกษาได้ยินเสียงครูไหมคะ "
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    {
      "message_id": 153,
      "agent_id": 29,
      "delay": 6.992,
      "onscreen_delay": 2.143,
      "typing_delay": 4.849,
      "typing_duration": 4.849,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 154,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 155,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 156,
      "agent_id": 16,
      "delay": 11.001,
      "onscreen_delay": 6.762,
      "typing_delay": 4.239,
      "typing_duration": 4.239,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 157,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 158,
      "agent_id": 13,
      "delay": 10.998,
      "onscreen_delay": 8.079,
      "typing_delay": 2.919,
      "typing_duration": 15.001,
      "wpm": 51,
      "message": "(ล่าม) ถ้าเป็นทางล่ามได้ยินแต่เสียงเบา ๆ ค่ะอาจารย์ "
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      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 6.537,
      "typing_delay": 4.462,
      "typing_duration": 4.462,
      "wpm": 0,
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      "message_id": 160,
      "agent_id": 16,
      "delay": 9.977,
      "onscreen_delay": 0,
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      "typing_duration": 9.977,
      "wpm": 0,
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      "message_id": 161,
      "agent_id": 29,
      "delay": 5.975,
      "onscreen_delay": 3.719,
      "typing_delay": 2.256,
      "typing_duration": 7.609,
      "wpm": 35,
      "message": "เดี๋ยวอยู่ตรงไหนนะ "
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      "message_id": 162,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
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      "message_id": 163,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.678,
      "typing_delay": 4.322,
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      "agent_id": 16,
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      "message_id": 165,
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      "delay": 15.003,
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      "wpm": 48,
      "message": "(อาจารย์ชนัญกาญจน์) โอเค "
    },
    {
      "message_id": 202,
      "agent_id": 13,
      "delay": 3.554,
      "onscreen_delay": 1.357,
      "typing_delay": 2.197,
      "typing_duration": 5.963,
      "wpm": 68,
      "message": "(นักศึกษาชาย) ได้ยินไหมครับ "
    },
    {
      "message_id": 203,
      "agent_id": 14,
      "delay": 1.962,
      "onscreen_delay": 0.356,
      "typing_delay": 1.606,
      "typing_duration": 10.941,
      "wpm": 47,
      "message": "(ดร.ชนัญกาญจน์) ตอนนี้เราจะมาสาธิต"
    },
    {
      "message_id": 204,
      "agent_id": 16,
      "delay": 6.939,
      "onscreen_delay": 4.533,
      "typing_delay": 2.406,
      "typing_duration": 8.511,
      "wpm": 62,
      "message": "การหาเลขฐาน 2 ใหม่อีกครั้งหนึ่งนะคะ"
    },
    {
      "message_id": 205,
      "agent_id": 29,
      "delay": 4.51,
      "onscreen_delay": 0.088,
      "typing_delay": 4.422,
      "typing_duration": 6.662,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 206,
      "agent_id": 13,
      "delay": 2.66,
      "onscreen_delay": 2.032,
      "typing_delay": 0.628,
      "typing_duration": 8.813,
      "wpm": 63,
      "message": "ครูขอใครก็ได้บอกวันเกิดให้ครูหน่อยค่ะ "
    },
    {
      "message_id": 207,
      "agent_id": 14,
      "delay": 4.812,
      "onscreen_delay": 4.508,
      "typing_delay": 0.304,
      "typing_duration": 9.652,
      "wpm": 9,
      "message": "ในห้อง "
    },
    {
      "message_id": 208,
      "agent_id": 16,
      "delay": 5.644,
      "onscreen_delay": 2.431,
      "typing_delay": 3.213,
      "typing_duration": 14.291,
      "wpm": 44,
      "message": "เดี๋ยวรอ วาริสา แป๊บหนึ่งนะคะ วาริสา กำลัง"
    },
    {
      "message_id": 209,
      "agent_id": 29,
      "delay": 10.289,
      "onscreen_delay": 9.871,
      "typing_delay": 0.418,
      "typing_duration": 4.487,
      "wpm": 57,
      "message": "กำลังทำความเข้าใจ "
    },
    {
      "message_id": 210,
      "agent_id": 13,
      "delay": 6.289,
      "onscreen_delay": 1.618,
      "typing_delay": 4.671,
      "typing_duration": 4.671,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 211,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 212,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 213,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 8.316,
      "typing_delay": 2.682,
      "typing_duration": 12.122,
      "wpm": 32,
      "message": "มาแล้วมีคนบอกเกิดวันที่ 27 "
    },
    {
      "message_id": 214,
      "agent_id": 13,
      "delay": 8.118,
      "onscreen_delay": 6.476,
      "typing_delay": 1.642,
      "typing_duration": 7.509,
      "wpm": 40,
      "message": "ใครนะ เมื่อกี้บอก... "
    },
    {
      "message_id": 215,
      "agent_id": 14,
      "delay": 4.114,
      "onscreen_delay": 2.129,
      "typing_delay": 1.985,
      "typing_duration": 8.847,
      "wpm": 37,
      "message": "(นักศึกษาชาย) เอ็มครับ "
    },
    {
      "message_id": 216,
      "agent_id": 16,
      "delay": 4.847,
      "onscreen_delay": 1.756,
      "typing_delay": 3.091,
      "typing_duration": 8.114,
      "wpm": 24,
      "message": "เกิดวันที่ 27 "
    },
    {
      "message_id": 217,
      "agent_id": 29,
      "delay": 4.112,
      "onscreen_delay": 3.695,
      "typing_delay": 0.417,
      "typing_duration": 12.64,
      "wpm": 87,
      "message": "เดือน 1 ครับ (อาจารย์ชนัญกาญจน์) เดี๋ยว ๆ ครูไม่ได้ยินเสียง เดือนอะไรนะคะ "
    },
    {
      "message_id": 218,
      "agent_id": 13,
      "delay": 8.637,
      "onscreen_delay": 7.666,
      "typing_delay": 0.971,
      "typing_duration": 14.276,
      "wpm": 63,
      "message": "(นักศึกษาชาย) เดือน 1 ครับ (อาจารย์ชนัญกาญจน์) เดือนมกรา(คม) "
    },
    {
      "message_id": 219,
      "agent_id": 14,
      "delay": 10.276,
      "onscreen_delay": 8.618,
      "typing_delay": 1.658,
      "typing_duration": 6.94,
      "wpm": 30,
      "message": "27 เดือนมกราคม "
    },
    {
      "message_id": 220,
      "agent_id": 16,
      "delay": 6.274,
      "onscreen_delay": 2.742,
      "typing_delay": 3.532,
      "typing_duration": 9.471,
      "wpm": 44,
      "message": "ถ้าเราได้เรียนถึงตอนนั้นต้อง"
    },
    {
      "message_id": 221,
      "agent_id": 29,
      "delay": 5.469,
      "onscreen_delay": 4.212,
      "typing_delay": 1.257,
      "typing_duration": 14.834,
      "wpm": 15,
      "message": "เอาของขวัญไปให้ "
    },
    {
      "message_id": 222,
      "agent_id": 13,
      "delay": 10.834,
      "onscreen_delay": 8.756,
      "typing_delay": 2.078,
      "typing_duration": 8.913,
      "wpm": 44,
      "message": "เกิดวันดีนะคะนี่ วันที่ 27 "
    },
    {
      "message_id": 223,
      "agent_id": 14,
      "delay": 6.832,
      "onscreen_delay": 5.681,
      "typing_delay": 1.151,
      "typing_duration": 7.532,
      "wpm": 54,
      "message": "ครูชอบเลขนี้จังเลย เพราะว่า"
    },
    {
      "message_id": 224,
      "agent_id": 16,
      "delay": 3.531,
      "onscreen_delay": 2.648,
      "typing_delay": 0.883,
      "typing_duration": 10.115,
      "wpm": 58,
      "message": "ถ้าเราไปดูเรื่อง เป็นความเชื่อส่วนบุคคล "
    },
    {
      "message_id": 225,
      "agent_id": 29,
      "delay": 6.113,
      "onscreen_delay": 4.92,
      "typing_delay": 1.193,
      "typing_duration": 9.125,
      "wpm": 48,
      "message": "ที่ 27 นี้ถ้าบวกกันเป็นเลขโดด "
    },
    {
      "message_id": 226,
      "agent_id": 13,
      "delay": 5.124,
      "onscreen_delay": 4.379,
      "typing_delay": 0.745,
      "typing_duration": 14.652,
      "wpm": 28,
      "message": "เลข 9 นะคะ มันถึงเป็นประมูล"
    },
    {
      "message_id": 227,
      "agent_id": 14,
      "delay": 10.648,
      "onscreen_delay": 9.125,
      "typing_delay": 1.523,
      "typing_duration": 10.196,
      "wpm": 49,
      "message": "ทะเบียนรถยนต์ที่เขาประมูลกันแพง ๆ "
    },
    {
      "message_id": 228,
      "agent_id": 16,
      "delay": 6.648,
      "onscreen_delay": 4.556,
      "typing_delay": 2.092,
      "typing_duration": 8.803,
      "wpm": 55,
      "message": "27 72 เป็นความเชื่อส่วนบุคคลนะคะ "
    },
    {
      "message_id": 229,
      "agent_id": 29,
      "delay": 4.802,
      "onscreen_delay": 0.247,
      "typing_delay": 4.555,
      "typing_duration": 8.248,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 230,
      "agent_id": 13,
      "delay": 4.247,
      "onscreen_delay": 3.638,
      "typing_delay": 0.609,
      "typing_duration": 8.044,
      "wpm": 54,
      "message": "วริษาโอเคหรือยัง คุณครูล่ามคะ "
    },
    {
      "message_id": 231,
      "agent_id": 14,
      "delay": 4.043,
      "onscreen_delay": 2.958,
      "typing_delay": 1.085,
      "typing_duration": 9.242,
      "wpm": 45,
      "message": "วริษาเขาโอเคหรือยังคะ (ล่าม) "
    },
    {
      "message_id": 232,
      "agent_id": 16,
      "delay": 5.24,
      "onscreen_delay": 2.443,
      "typing_delay": 2.797,
      "typing_duration": 6.107,
      "wpm": 44,
      "message": "สักคร่นะคะ อาจารย์ "
    },
    {
      "message_id": 233,
      "agent_id": 29,
      "delay": 5.61,
      "onscreen_delay": 0,
      "typing_delay": 5.61,
      "typing_duration": 5.61,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 234,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 235,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 6.214,
      "typing_delay": 4.785,
      "typing_duration": 4.785,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 236,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 237,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 3.543,
      "typing_delay": 7.458,
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      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 238,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
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    },
    {
      "message_id": 239,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
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      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 240,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 241,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
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    {
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      "delay": 15.003,
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      "message": "(อาจารย์ชนัญกาญจน์) โอเค เรียบร้อยหรือยังคะ "
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      "message_id": 283,
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      "message_id": 323,
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      "delay": 15.003,
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      "message_id": 324,
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      "delay": 15.002,
      "onscreen_delay": 0,
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      "message": ""
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      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
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      "message_id": 326,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 327,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 1.988,
      "typing_delay": 9.011,
      "typing_duration": 9.011,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 328,
      "agent_id": 16,
      "delay": 7.727,
      "onscreen_delay": 0,
      "typing_delay": 7.727,
      "typing_duration": 7.727,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 329,
      "agent_id": 29,
      "delay": 3.725,
      "onscreen_delay": 0.893,
      "typing_delay": 2.832,
      "typing_duration": 12.789,
      "wpm": 34,
      "message": "(ล่าม) อาจารย์คะ ต่อได้เลยค่ะ "
    },
    {
      "message_id": 330,
      "agent_id": 13,
      "delay": 8.787,
      "onscreen_delay": 6.22,
      "typing_delay": 2.567,
      "typing_duration": 11.536,
      "wpm": 91,
      "message": "(อาจารย์ชนัญกาญจน์) เดี๋ยวนะคะ (ล่าม) ต่อได้เลยค่ะ (อาจารย์ชนัญกาญจน์) "
    },
    {
      "message_id": 331,
      "agent_id": 14,
      "delay": 7.534,
      "onscreen_delay": 3.562,
      "typing_delay": 3.972,
      "typing_duration": 9.238,
      "wpm": 11,
      "message": "โอเคค่ะ "
    },
    {
      "message_id": 332,
      "agent_id": 16,
      "delay": 5.238,
      "onscreen_delay": 3.875,
      "typing_delay": 1.363,
      "typing_duration": 5.919,
      "wpm": 73,
      "message": "เดี๋ยวเรามาดูตัวอย่างใหม่นะคะ "
    },
    {
      "message_id": 333,
      "agent_id": 29,
      "delay": 2.083,
      "onscreen_delay": 0,
      "typing_delay": 2.083,
      "typing_duration": 10.063,
      "wpm": 37,
      "message": "พอดีมีวันเกิดของเพื่อนเรา"
    },
    {
      "message_id": 334,
      "agent_id": 13,
      "delay": 6.061,
      "onscreen_delay": 4.942,
      "typing_delay": 1.119,
      "typing_duration": 8.917,
      "wpm": 57,
      "message": "ในห้องนะคะ ก็เกิดวันที่ 27 เดือน 1 "
    },
    {
      "message_id": 335,
      "agent_id": 14,
      "delay": 4.916,
      "onscreen_delay": 4.646,
      "typing_delay": 0.27,
      "typing_duration": 10.898,
      "wpm": 59,
      "message": "เดี๋ยวเราจะลองใช้ตัวเลข 27 นี่ล่ะ เป็นเลขดี "
    },
    {
      "message_id": 336,
      "agent_id": 16,
      "delay": 6.898,
      "onscreen_delay": 5.943,
      "typing_delay": 0.955,
      "typing_duration": 7.987,
      "wpm": 17,
      "message": "ในการแปลง"
    },
    {
      "message_id": 337,
      "agent_id": 29,
      "delay": 3.976,
      "onscreen_delay": 3.736,
      "typing_delay": 0.24,
      "typing_duration": 7.406,
      "wpm": 55,
      "message": "เป็นเลขฐาน 2 เราจะทำอย่างไร "
    },
    {
      "message_id": 338,
      "agent_id": 13,
      "delay": 3.405,
      "onscreen_delay": 2.638,
      "typing_delay": 0.767,
      "typing_duration": 5.271,
      "wpm": 68,
      "message": "เริ่มต้นด้วยการหารยาวเลย "
    },
    {
      "message_id": 339,
      "agent_id": 14,
      "delay": 1.262,
      "onscreen_delay": 0.863,
      "typing_delay": 0.399,
      "typing_duration": 8.86,
      "wpm": 20,
      "message": "27 หารด้วย 2 "
    },
    {
      "message_id": 340,
      "agent_id": 16,
      "delay": 4.859,
      "onscreen_delay": 1.803,
      "typing_delay": 3.056,
      "typing_duration": 10.773,
      "wpm": 58,
      "message": "นี่คือการหารครั้งที่ 1 คือการหารครั้งที่ 1"
    },
    {
      "message_id": 341,
      "agent_id": 29,
      "delay": 6.772,
      "onscreen_delay": 6.433,
      "typing_delay": 0.339,
      "typing_duration": 12.883,
      "wpm": 28,
      "message": "ครูจะทดอยู่ด้านข้างของจอ "
    },
    {
      "message_id": 342,
      "agent_id": 13,
      "delay": 8.88,
      "onscreen_delay": 7.492,
      "typing_delay": 1.388,
      "typing_duration": 6.178,
      "wpm": 39,
      "message": "27 หารด้วย 2 นี่ "
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    {
      "message_id": 343,
      "agent_id": 14,
      "delay": 4.879,
      "onscreen_delay": 4.775,
      "typing_delay": 0.104,
      "typing_duration": 7.475,
      "wpm": 34,
      "message": "มันจะมีค่าเป็น 13 "
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    {
      "message_id": 344,
      "agent_id": 16,
      "delay": 3.473,
      "onscreen_delay": 1.663,
      "typing_delay": 1.81,
      "typing_duration": 5.608,
      "wpm": 37,
      "message": "เศษ 1 ใช่ไหมคะ "
    },
    {
      "message_id": 345,
      "agent_id": 29,
      "delay": 1.605,
      "onscreen_delay": 0.199,
      "typing_delay": 1.406,
      "typing_duration": 9.988,
      "wpm": 29,
      "message": "เพราะมันหารไม่ลงตัว "
    },
    {
      "message_id": 346,
      "agent_id": 13,
      "delay": 5.986,
      "onscreen_delay": 4.74,
      "typing_delay": 1.246,
      "typing_duration": 12.016,
      "wpm": 52,
      "message": "เราจะเอา 13 นี่ มาเขียนตรงนี้ แล้วจะบอกว่า"
    },
    {
      "message_id": 347,
      "agent_id": 14,
      "delay": 8.014,
      "onscreen_delay": 7.226,
      "typing_delay": 0.788,
      "typing_duration": 7.502,
      "wpm": 24,
      "message": "มันเป็นเศษ 1 "
    },
    {
      "message_id": 348,
      "agent_id": 16,
      "delay": 4.009,
      "onscreen_delay": 1.991,
      "typing_delay": 2.018,
      "typing_duration": 7.624,
      "wpm": 59,
      "message": "นี่คือการหารครั้งที่ 1 จากนั้น "
    },
    {
      "message_id": 349,
      "agent_id": 29,
      "delay": 3.621,
      "onscreen_delay": 1.282,
      "typing_delay": 2.339,
      "typing_duration": 7.724,
      "wpm": 54,
      "message": "13 มันมากกว่า 2 มันหารได้อีก "
    },
    {
      "message_id": 350,
      "agent_id": 13,
      "delay": 3.723,
      "onscreen_delay": 1.316,
      "typing_delay": 2.407,
      "typing_duration": 7.876,
      "wpm": 57,
      "message": "ตรงนี้นะคะ 13 มากกว่า 2 ตรงนี้ "
    },
    {
      "message_id": 351,
      "agent_id": 14,
      "delay": 3.874,
      "onscreen_delay": 1.544,
      "typing_delay": 2.33,
      "typing_duration": 7.073,
      "wpm": 38,
      "message": "เดี๋ยวครูเขียนก่อน "
    },
    {
      "message_id": 352,
      "agent_id": 16,
      "delay": 3.072,
      "onscreen_delay": 1.271,
      "typing_delay": 1.801,
      "typing_duration": 10.096,
      "wpm": 37,
      "message": "13 ยังมากกว่า 2 ให้หารต่อ"
    },
    {
      "message_id": 353,
      "agent_id": 29,
      "delay": 6.094,
      "onscreen_delay": 5.019,
      "typing_delay": 1.075,
      "typing_duration": 11.611,
      "wpm": 17,
      "message": "นะคะ หารต่อไป"
    },
    {
      "message_id": 354,
      "agent_id": 13,
      "delay": 7.611,
      "onscreen_delay": 6.473,
      "typing_delay": 1.138,
      "typing_duration": 8.563,
      "wpm": 49,
      "message": "เขาต้องเรียกว่าหารยาวนะคะ ก็"
    },
    {
      "message_id": 355,
      "agent_id": 14,
      "delay": 4.561,
      "onscreen_delay": 3.624,
      "typing_delay": 0.937,
      "typing_duration": 9.748,
      "wpm": 17,
      "message": "จะหารต่ออีก "
    },
    {
      "message_id": 356,
      "agent_id": 16,
      "delay": 5.747,
      "onscreen_delay": 3.366,
      "typing_delay": 2.381,
      "typing_duration": 7.114,
      "wpm": 51,
      "message": "หารด้วย 2 ตอนนี้ก็แอบคิด"
    },
    {
      "message_id": 357,
      "agent_id": 29,
      "delay": 3.11,
      "onscreen_delay": 2.92,
      "typing_delay": 0.19,
      "typing_duration": 10.524,
      "wpm": 36,
      "message": "หารด้วย 2 13 เป็นจำนวนคี่"
    },
    {
      "message_id": 358,
      "agent_id": 13,
      "delay": 6.523,
      "onscreen_delay": 5.617,
      "typing_delay": 0.906,
      "typing_duration": 12.802,
      "wpm": 50,
      "message": "หารไม่ลงตัวนะคะ ก็ใกล้เคียงก็จะเป็น 2 คูณ 6 "
    },
    {
      "message_id": 359,
      "agent_id": 14,
      "delay": 8.801,
      "onscreen_delay": 6.719,
      "typing_delay": 2.082,
      "typing_duration": 7.169,
      "wpm": 42,
      "message": "เป็น 12 อย่างนั้นตอบ"
    },
    {
      "message_id": 360,
      "agent_id": 16,
      "delay": 4.799,
      "onscreen_delay": 4.137,
      "typing_delay": 0.662,
      "typing_duration": 8.068,
      "wpm": 32,
      "message": "จำนวนเต็ม 6 เศษ 1 "
    },
    {
      "message_id": 361,
      "agent_id": 29,
      "delay": 4.066,
      "onscreen_delay": 2.624,
      "typing_delay": 1.442,
      "typing_duration": 7.345,
      "wpm": 43,
      "message": "ครูก็ตอบอันที่ 2 นะคะ "
    },
    {
      "message_id": 362,
      "agent_id": 13,
      "delay": 3.343,
      "onscreen_delay": 1.627,
      "typing_delay": 1.716,
      "typing_duration": 6.679,
      "wpm": 43,
      "message": "ก็คือได้จำนวนเต็ม 6 "
    },
    {
      "message_id": 363,
      "agent_id": 14,
      "delay": 2.675,
      "onscreen_delay": 2.545,
      "typing_delay": 0.13,
      "typing_duration": 4.544,
      "wpm": 17,
      "message": "เศษ 1 "
    },
    {
      "message_id": 364,
      "agent_id": 16,
      "delay": 2.24,
      "onscreen_delay": 0,
      "typing_delay": 2.24,
      "typing_duration": 7.148,
      "wpm": 50,
      "message": "เราก็มาดูอีกว่า 6 ทำไมคะ "
    },
    {
      "message_id": 365,
      "agent_id": 29,
      "delay": 3.148,
      "onscreen_delay": 1.871,
      "typing_delay": 1.277,
      "typing_duration": 7.472,
      "wpm": 62,
      "message": "ในเมื่อมากกว่า 2 ก็ยังหารได้อีก "
    },
    {
      "message_id": 366,
      "agent_id": 13,
      "delay": 5.568,
      "onscreen_delay": 0,
      "typing_delay": 5.568,
      "typing_duration": 5.568,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 367,
      "agent_id": 14,
      "delay": 1.567,
      "onscreen_delay": 0.699,
      "typing_delay": 0.868,
      "typing_duration": 9.627,
      "wpm": 45,
      "message": "ต้องหารต่อ ก็หารต่อไปเรื่อย ๆ "
    },
    {
      "message_id": 368,
      "agent_id": 16,
      "delay": 5.625,
      "onscreen_delay": 3.651,
      "typing_delay": 1.974,
      "typing_duration": 7.055,
      "wpm": 36,
      "message": "ตรงนี้ก็หาร หาร 2 "
    },
    {
      "message_id": 369,
      "agent_id": 29,
      "delay": 3.054,
      "onscreen_delay": 2.109,
      "typing_delay": 0.945,
      "typing_duration": 9.568,
      "wpm": 8,
      "message": "หาร 2 "
    },
    {
      "message_id": 370,
      "agent_id": 13,
      "delay": 5.568,
      "onscreen_delay": 4.743,
      "typing_delay": 0.825,
      "typing_duration": 8.164,
      "wpm": 64,
      "message": "หารครั้งที่ 3 นะคะ 6 หาร 2 เป็นอะไร "
    },
    {
      "message_id": 371,
      "agent_id": 14,
      "delay": 4.159,
      "onscreen_delay": 3.419,
      "typing_delay": 0.74,
      "typing_duration": 11.42,
      "wpm": 50,
      "message": "6 เป็นจำนวนคู่หารลงตัวนะคะ คำตอบเป็น 3 "
    },
    {
      "message_id": 372,
      "agent_id": 16,
      "delay": 7.419,
      "onscreen_delay": 5.008,
      "typing_delay": 2.411,
      "typing_duration": 6.778,
      "wpm": 11,
      "message": "เศษ 0 "
    },
    {
      "message_id": 373,
      "agent_id": 29,
      "delay": 4.278,
      "onscreen_delay": 0,
      "typing_delay": 4.278,
      "typing_duration": 4.278,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 374,
      "agent_id": 13,
      "delay": 2.483,
      "onscreen_delay": 0,
      "typing_delay": 2.483,
      "typing_duration": 8.201,
      "wpm": 42,
      "message": "ก็เขียนคำตอบไว้ข้างล่าง "
    },
    {
      "message_id": 375,
      "agent_id": 14,
      "delay": 4.199,
      "onscreen_delay": 4.071,
      "typing_delay": 0.128,
      "typing_duration": 8.802,
      "wpm": 29,
      "message": "จำนวนเต็ม 3 เศษ 0 "
    },
    {
      "message_id": 376,
      "agent_id": 16,
      "delay": 4.8,
      "onscreen_delay": 0.17,
      "typing_delay": 4.63,
      "typing_duration": 4.63,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 377,
      "agent_id": 29,
      "delay": 2.008,
      "onscreen_delay": 0,
      "typing_delay": 2.008,
      "typing_duration": 6.616,
      "wpm": 41,
      "message": "คิดอีก 3 มันทำไมคะ "
    },
    {
      "message_id": 378,
      "agent_id": 13,
      "delay": 2.611,
      "onscreen_delay": 1.895,
      "typing_delay": 0.716,
      "typing_duration": 7.07,
      "wpm": 47,
      "message": "ยังมากกว่า 2 หารต่ออีก "
    },
    {
      "message_id": 379,
      "agent_id": 14,
      "delay": 3.068,
      "onscreen_delay": 1.622,
      "typing_delay": 1.446,
      "typing_duration": 6.043,
      "wpm": 30,
      "message": "หารต่อไปนะคะ "
    },
    {
      "message_id": 380,
      "agent_id": 16,
      "delay": 4.032,
      "onscreen_delay": 0,
      "typing_delay": 4.032,
      "typing_duration": 15.004,
      "wpm": 9,
      "message": "หารด้วย 2"
    },
    {
      "message_id": 381,
      "agent_id": 29,
      "delay": 11.003,
      "onscreen_delay": 9.449,
      "typing_delay": 1.554,
      "typing_duration": 10.061,
      "wpm": 52,
      "message": "ตอนนี้เป็นการหารครั้งที่ 4 แล้วนะคะ "
    },
    {
      "message_id": 382,
      "agent_id": 13,
      "delay": 7.002,
      "onscreen_delay": 6.234,
      "typing_delay": 0.768,
      "typing_duration": 6.784,
      "wpm": 42,
      "message": "3 หาร 2 หารไม่ลงตัว "
    },
    {
      "message_id": 383,
      "agent_id": 14,
      "delay": 2.999,
      "onscreen_delay": 2.539,
      "typing_delay": 0.46,
      "typing_duration": 12.61,
      "wpm": 40,
      "message": "ก็ 3 ไม่มีอะไรคูณ 2 เป็น 3 นะคะ มี "
    },
    {
      "message_id": 384,
      "agent_id": 16,
      "delay": 8.608,
      "onscreen_delay": 4.569,
      "typing_delay": 4.039,
      "typing_duration": 10.17,
      "wpm": 21,
      "message": "3 คูณ 1 เป็น 3 "
    },
    {
      "message_id": 385,
      "agent_id": 29,
      "delay": 6.168,
      "onscreen_delay": 4.884,
      "typing_delay": 1.284,
      "typing_duration": 7.311,
      "wpm": 39,
      "message": "ดังนั้นมันก็จะเศษ 1 "
    },
    {
      "message_id": 386,
      "agent_id": 13,
      "delay": 3.311,
      "onscreen_delay": 2.053,
      "typing_delay": 1.258,
      "typing_duration": 4.509,
      "wpm": 17,
      "message": "เศษ 1 "
    },
    {
      "message_id": 387,
      "agent_id": 14,
      "delay": 1.549,
      "onscreen_delay": 0,
      "typing_delay": 1.549,
      "typing_duration": 11.39,
      "wpm": 18,
      "message": "เดี๋ยวครูจะบอก"
    },
    {
      "message_id": 388,
      "agent_id": 16,
      "delay": 7.389,
      "onscreen_delay": 5.56,
      "typing_delay": 1.829,
      "typing_duration": 7.332,
      "wpm": 51,
      "message": "จำนวนเต็ม 1 1 ตัวสีส้มนี่"
    },
    {
      "message_id": 389,
      "agent_id": 29,
      "delay": 3.386,
      "onscreen_delay": 2.725,
      "typing_delay": 0.661,
      "typing_duration": 8.204,
      "wpm": 42,
      "message": "ครูเอามาเขียนตรงนี้ คือ "
    },
    {
      "message_id": 390,
      "agent_id": 13,
      "delay": 4.202,
      "onscreen_delay": 3.089,
      "typing_delay": 1.113,
      "typing_duration": 8.302,
      "wpm": 29,
      "message": "แล้วเศษเขา เศษ 1 "
    },
    {
      "message_id": 391,
      "agent_id": 14,
      "delay": 4.301,
      "onscreen_delay": 4.135,
      "typing_delay": 0.166,
      "typing_duration": 7.865,
      "wpm": 61,
      "message": "ก็คือตัวนี้เศษตรงนี้ ได้แล้วนะคะ "
    },
    {
      "message_id": 392,
      "agent_id": 16,
      "delay": 3.863,
      "onscreen_delay": 1.326,
      "typing_delay": 2.537,
      "typing_duration": 9.241,
      "wpm": 41,
      "message": "หารต่อไม่ได้ ผลลัพธ์ก็คือ "
    },
    {
      "message_id": 393,
      "agent_id": 29,
      "delay": 5.24,
      "onscreen_delay": 4.559,
      "typing_delay": 0.681,
      "typing_duration": 6.362,
      "wpm": 28,
      "message": "1 น้อยกว่า 2 "
    },
    {
      "message_id": 394,
      "agent_id": 13,
      "delay": 2.358,
      "onscreen_delay": 1.801,
      "typing_delay": 0.557,
      "typing_duration": 4.258,
      "wpm": 28,
      "message": "จบการหาร "
    },
    {
      "message_id": 395,
      "agent_id": 14,
      "delay": 3.65,
      "onscreen_delay": 0,
      "typing_delay": 3.65,
      "typing_duration": 6.685,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 396,
      "agent_id": 16,
      "delay": 2.683,
      "onscreen_delay": 1.702,
      "typing_delay": 0.981,
      "typing_duration": 7.311,
      "wpm": 78,
      "message": "1 มันน้อยกว่า 2 แล้ว 1 ตัวสีส้มนี้นะคะ "
    },
    {
      "message_id": 397,
      "agent_id": 29,
      "delay": 3.31,
      "onscreen_delay": 0.8,
      "typing_delay": 2.51,
      "typing_duration": 7.18,
      "wpm": 17,
      "message": "1 ตัวนี้ "
    },
    {
      "message_id": 398,
      "agent_id": 13,
      "delay": 3.178,
      "onscreen_delay": 1.891,
      "typing_delay": 1.287,
      "typing_duration": 13.145,
      "wpm": 46,
      "message": "มันน้อยกว่า 2 แล้ว ก็จบการหาร ก็ได้คำตอบ "
    },
    {
      "message_id": 399,
      "agent_id": 14,
      "delay": 9.143,
      "onscreen_delay": 7.932,
      "typing_delay": 1.211,
      "typing_duration": 10.232,
      "wpm": 25,
      "message": "คำตอบของเรา ก็คือ "
    },
    {
      "message_id": 400,
      "agent_id": 16,
      "delay": 6.231,
      "onscreen_delay": 4.137,
      "typing_delay": 2.094,
      "typing_duration": 5.331,
      "wpm": 28,
      "message": "27 เท่ากับ "
    },
    {
      "message_id": 401,
      "agent_id": 29,
      "delay": 4.413,
      "onscreen_delay": 0,
      "typing_delay": 4.413,
      "typing_duration": 4.413,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 402,
      "agent_id": 13,
      "delay": 2.774,
      "onscreen_delay": 0,
      "typing_delay": 2.774,
      "typing_duration": 10.504,
      "wpm": 13,
      "message": "จำนวน 1 1 "
    },
    {
      "message_id": 403,
      "agent_id": 14,
      "delay": 6.503,
      "onscreen_delay": 5.537,
      "typing_delay": 0.966,
      "typing_duration": 6.696,
      "wpm": 11,
      "message": "0 1 1 "
    },
    {
      "message_id": 404,
      "agent_id": 16,
      "delay": 2.695,
      "onscreen_delay": 2.458,
      "typing_delay": 0.237,
      "typing_duration": 4.792,
      "wpm": 28,
      "message": "ห้อยเลข 2 "
    },
    {
      "message_id": 405,
      "agent_id": 29,
      "delay": 5.118,
      "onscreen_delay": 0,
      "typing_delay": 5.118,
      "typing_duration": 5.118,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 406,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 407,
      "agent_id": 14,
      "delay": 10.995,
      "onscreen_delay": 7.281,
      "typing_delay": 3.714,
      "typing_duration": 5.992,
      "wpm": 30,
      "message": "มีคำถามไหมคะ "
    },
    {
      "message_id": 408,
      "agent_id": 16,
      "delay": 6.992,
      "onscreen_delay": 3.897,
      "typing_delay": 3.095,
      "typing_duration": 6.567,
      "wpm": 27,
      "message": "มีคำถามไหมคะ "
    },
    {
      "message_id": 409,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 410,
      "agent_id": 13,
      "delay": 15.009,
      "onscreen_delay": 0,
      "typing_delay": 15.009,
      "typing_duration": 15.009,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 411,
      "agent_id": 14,
      "delay": 11.007,
      "onscreen_delay": 4.073,
      "typing_delay": 6.934,
      "typing_duration": 6.934,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 412,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 413,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 414,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 415,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 0.939,
      "typing_delay": 10.061,
      "typing_duration": 10.061,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 416,
      "agent_id": 16,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 417,
      "agent_id": 29,
      "delay": 11.003,
      "onscreen_delay": 6.518,
      "typing_delay": 4.485,
      "typing_duration": 4.485,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 418,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 419,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.457,
      "typing_delay": 4.543,
      "typing_duration": 4.543,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 420,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 421,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 422,
      "agent_id": 13,
      "delay": 11.002,
      "onscreen_delay": 6.665,
      "typing_delay": 4.337,
      "typing_duration": 4.337,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 423,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 424,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 425,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.326,
      "typing_delay": 1.673,
      "typing_duration": 14.826,
      "wpm": 33,
      "message": "ตอนนี้ทุกคนเข้าใจการแปลงเลขฐาน 10 "
    },
    {
      "message_id": 426,
      "agent_id": 13,
      "delay": 10.821,
      "onscreen_delay": 10.071,
      "typing_delay": 0.75,
      "typing_duration": 14.628,
      "wpm": 48,
      "message": "ตอนนี้ทุกคนเข้าใจการแปลงเลขฐานสิบเป็นฐานสองแล้ว "
    },
    {
      "message_id": 427,
      "agent_id": 14,
      "delay": 10.623,
      "onscreen_delay": 9.004,
      "typing_delay": 1.619,
      "typing_duration": 10.402,
      "wpm": 48,
      "message": "เดี๋ยวพอเดี๋ยวมาถามวันเกิดเราแล้ว"
    },
    {
      "message_id": 428,
      "agent_id": 16,
      "delay": 6.617,
      "onscreen_delay": 5.983,
      "typing_delay": 0.634,
      "typing_duration": 10.969,
      "wpm": 88,
      "message": "เราไม่อยากตอบวันเกิด เราก็บอกวันเกิดเราเป็นเลขฐาน 2 เท่านั้นนะคะ "
    },
    {
      "message_id": 429,
      "agent_id": 29,
      "delay": 6.957,
      "onscreen_delay": 5.347,
      "typing_delay": 1.61,
      "typing_duration": 9.331,
      "wpm": 66,
      "message": "หรือว่าตอบคำถามเขาจะเข้าใจหรือไม่เข้าใจก็"
    },
    {
      "message_id": 430,
      "agent_id": 13,
      "delay": 5.329,
      "onscreen_delay": 2.992,
      "typing_delay": 2.337,
      "typing_duration": 12.33,
      "wpm": 26,
      "message": "โอเค เดี๋ยวเรามาลองดู"
    },
    {
      "message_id": 431,
      "agent_id": 14,
      "delay": 8.33,
      "onscreen_delay": 7.069,
      "typing_delay": 1.261,
      "typing_duration": 13.834,
      "wpm": 34,
      "message": "การย้อนกลับในการเปลี่ยนเลขฐาน 2 "
    },
    {
      "message_id": 432,
      "agent_id": 16,
      "delay": 9.832,
      "onscreen_delay": 7.874,
      "typing_delay": 1.958,
      "typing_duration": 8.591,
      "wpm": 38,
      "message": "ให้เป็นฐาน 10 ครูจะใช้ "
    },
    {
      "message_id": 433,
      "agent_id": 29,
      "delay": 5.831,
      "onscreen_delay": 0.592,
      "typing_delay": 5.239,
      "typing_duration": 9.75,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 434,
      "agent_id": 13,
      "delay": 5.749,
      "onscreen_delay": 4.786,
      "typing_delay": 0.963,
      "typing_duration": 10.951,
      "wpm": 19,
      "message": "110112 คราวนี้ "
    },
    {
      "message_id": 435,
      "agent_id": 14,
      "delay": 6.949,
      "onscreen_delay": 4.431,
      "typing_delay": 2.518,
      "typing_duration": 13.055,
      "wpm": 11,
      "message": "การแปลงเลข "
    },
    {
      "message_id": 436,
      "agent_id": 16,
      "delay": 9.051,
      "onscreen_delay": 7.127,
      "typing_delay": 1.924,
      "typing_duration": 6.411,
      "wpm": 35,
      "message": "การแปลงเลขฐาน 2"
    },
    {
      "message_id": 437,
      "agent_id": 29,
      "delay": 5.05,
      "onscreen_delay": 3.254,
      "typing_delay": 1.796,
      "typing_duration": 7.489,
      "wpm": 12,
      "message": "ฐานสอง "
    },
    {
      "message_id": 438,
      "agent_id": 13,
      "delay": 3.488,
      "onscreen_delay": 2.642,
      "typing_delay": 0.846,
      "typing_duration": 6.691,
      "wpm": 22,
      "message": "เป็นฐานสิบ "
    },
    {
      "message_id": 439,
      "agent_id": 14,
      "delay": 4.397,
      "onscreen_delay": 0,
      "typing_delay": 4.397,
      "typing_duration": 4.397,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 440,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 441,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 6.765,
      "typing_delay": 4.235,
      "typing_duration": 10.154,
      "wpm": 25,
      "message": "เลขฐานสองเมื่อกี้"
    },
    {
      "message_id": 442,
      "agent_id": 13,
      "delay": 6.998,
      "onscreen_delay": 5.973,
      "typing_delay": 1.025,
      "typing_duration": 4.788,
      "wpm": 16,
      "message": "ก็คือ"
    },
    {
      "message_id": 443,
      "agent_id": 14,
      "delay": 3.465,
      "onscreen_delay": 0,
      "typing_delay": 3.465,
      "typing_duration": 11.141,
      "wpm": 3,
      "message": "11"
    },
    {
      "message_id": 444,
      "agent_id": 16,
      "delay": 7.139,
      "onscreen_delay": 6.225,
      "typing_delay": 0.914,
      "typing_duration": 15,
      "wpm": 4,
      "message": "0112"
    },
    {
      "message_id": 445,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.029,
      "typing_delay": 0.97,
      "typing_duration": 13.178,
      "wpm": 64,
      "message": "เปลี่ยนหน้า Jamboard ใหม่หรือเปล่าคะ (อาจารย์ชนัญกาญจน์) "
    },
    {
      "message_id": 446,
      "agent_id": 13,
      "delay": 9.175,
      "onscreen_delay": 8.653,
      "typing_delay": 0.522,
      "typing_duration": 6.642,
      "wpm": 50,
      "message": "ไปหน้าที่ 5 ค่ะ อันนี้"
    },
    {
      "message_id": 447,
      "agent_id": 14,
      "delay": 5.174,
      "onscreen_delay": 4.788,
      "typing_delay": 0.386,
      "typing_duration": 11.226,
      "wpm": 68,
      "message": "ยังเป็น 27 เป็นฐานสองอยู่ค่ะ ที่... (ดร.ชนัญกาญจน์) "
    },
    {
      "message_id": 448,
      "agent_id": 16,
      "delay": 7.224,
      "onscreen_delay": 6.6,
      "typing_delay": 0.624,
      "typing_duration": 9.356,
      "wpm": 51,
      "message": "โอเค ค่ะ ขอบคุณครูล่ามมากเลยนะคะ "
    },
    {
      "message_id": 449,
      "agent_id": 29,
      "delay": 5.349,
      "onscreen_delay": 4.101,
      "typing_delay": 1.248,
      "typing_duration": 5.444,
      "wpm": 69,
      "message": "ตอนนี้นักศึกษาเห็นหรือยัง "
    },
    {
      "message_id": 450,
      "agent_id": 13,
      "delay": 2.791,
      "onscreen_delay": 0,
      "typing_delay": 2.791,
      "typing_duration": 6.785,
      "wpm": 35,
      "message": "ใครมาขีดเขียนนี่ "
    },
    {
      "message_id": 451,
      "agent_id": 14,
      "delay": 2.951,
      "onscreen_delay": 0,
      "typing_delay": 2.951,
      "typing_duration": 11.594,
      "wpm": 44,
      "message": "นี่มีเด็กซนมาแอบเขียนกระดานครูด้วย "
    },
    {
      "message_id": 452,
      "agent_id": 16,
      "delay": 7.59,
      "onscreen_delay": 4.483,
      "typing_delay": 3.107,
      "typing_duration": 5.995,
      "wpm": 38,
      "message": "เดี๋ยวครูลบก่อน "
    },
    {
      "message_id": 453,
      "agent_id": 29,
      "delay": 4.349,
      "onscreen_delay": 0,
      "typing_delay": 4.349,
      "typing_duration": 4.349,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 454,
      "agent_id": 13,
      "delay": 2.971,
      "onscreen_delay": 0,
      "typing_delay": 2.971,
      "typing_duration": 9.487,
      "wpm": 52,
      "message": "เดี๋ยวแป๊บหนึ่งนะคะ เปลี่ยนจาก... "
    },
    {
      "message_id": 455,
      "agent_id": 14,
      "delay": 13.011,
      "onscreen_delay": 0,
      "typing_delay": 13.011,
      "typing_duration": 13.011,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 456,
      "agent_id": 16,
      "delay": 9.011,
      "onscreen_delay": 2.614,
      "typing_delay": 6.397,
      "typing_duration": 6.397,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 457,
      "agent_id": 29,
      "delay": 5.008,
      "onscreen_delay": 3.846,
      "typing_delay": 1.162,
      "typing_duration": 11.053,
      "wpm": 47,
      "message": "โอเค ๆ กระดานสะอาดแล้วนะคะ นักศึกษา"
    },
    {
      "message_id": 458,
      "agent_id": 13,
      "delay": 7.051,
      "onscreen_delay": 5.951,
      "typing_delay": 1.1,
      "typing_duration": 11.258,
      "wpm": 63,
      "message": "หยอก ๆ ครูจะได้รู้ว่าเราเรียนอยู่ในห้องเดียวกัน "
    },
    {
      "message_id": 459,
      "agent_id": 14,
      "delay": 7.256,
      "onscreen_delay": 5.459,
      "typing_delay": 1.797,
      "typing_duration": 11.47,
      "wpm": 41,
      "message": "จะเขียนส่งมาสวยอาจารย์ก็ไม่โกรธ "
    },
    {
      "message_id": 460,
      "agent_id": 16,
      "delay": 7.467,
      "onscreen_delay": 3.516,
      "typing_delay": 3.951,
      "typing_duration": 6.509,
      "wpm": 9,
      "message": "โอเค "
    },
    {
      "message_id": 461,
      "agent_id": 29,
      "delay": 3.466,
      "onscreen_delay": 2.64,
      "typing_delay": 0.826,
      "typing_duration": 7.765,
      "wpm": 62,
      "message": "การเปลี่ยนเลขฐานสองเป็นฐานสิบนี่ "
    },
    {
      "message_id": 462,
      "agent_id": 13,
      "delay": 3.763,
      "onscreen_delay": 2.573,
      "typing_delay": 1.19,
      "typing_duration": 10.918,
      "wpm": 43,
      "message": "มันจะมี เขาเรียกว่าค่าประจำหลัก"
    },
    {
      "message_id": 463,
      "agent_id": 14,
      "delay": 6.918,
      "onscreen_delay": 6.472,
      "typing_delay": 0.446,
      "typing_duration": 8.774,
      "wpm": 67,
      "message": "นะคะ ค่าประจำหลัก ค่าประจำหลักของเขานี่"
    },
    {
      "message_id": 464,
      "agent_id": 16,
      "delay": 4.773,
      "onscreen_delay": 2.481,
      "typing_delay": 2.292,
      "typing_duration": 6.471,
      "wpm": 44,
      "message": "มันก็จะจูนกับตัวเลข "
    },
    {
      "message_id": 465,
      "agent_id": 29,
      "delay": 2.47,
      "onscreen_delay": 2.21,
      "typing_delay": 0.26,
      "typing_duration": 8.687,
      "wpm": 69,
      "message": "โดยค่าประจำหลักของเขาจะเป็นเลขฐานสองนะคะ "
    },
    {
      "message_id": 466,
      "agent_id": 13,
      "delay": 4.681,
      "onscreen_delay": 3.5,
      "typing_delay": 1.181,
      "typing_duration": 5.456,
      "wpm": 16,
      "message": "ตัว... "
    },
    {
      "message_id": 467,
      "agent_id": 14,
      "delay": 1.454,
      "onscreen_delay": 1.064,
      "typing_delay": 0.39,
      "typing_duration": 4.598,
      "wpm": 42,
      "message": "แป๊บหนึ่งนะคะ "
    },
    {
      "message_id": 468,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 469,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 7.584,
      "typing_delay": 3.415,
      "typing_duration": 7.383,
      "wpm": 14,
      "message": "โอเคค่ะ "
    },
    {
      "message_id": 470,
      "agent_id": 13,
      "delay": 6.997,
      "onscreen_delay": 4.374,
      "typing_delay": 2.623,
      "typing_duration": 5.625,
      "wpm": 21,
      "message": "1 ตัวนี้ "
    },
    {
      "message_id": 471,
      "agent_id": 14,
      "delay": 2.995,
      "onscreen_delay": 2.72,
      "typing_delay": 0.275,
      "typing_duration": 6.526,
      "wpm": 60,
      "message": "ครูจะเอา 1 ตัวนี้ เริ่มจาก"
    },
    {
      "message_id": 472,
      "agent_id": 16,
      "delay": 2.524,
      "onscreen_delay": 2.205,
      "typing_delay": 0.319,
      "typing_duration": 6.866,
      "wpm": 70,
      "message": "ตัวข้างหลังสุด ก็เทียบกับระบบเลข "
    },
    {
      "message_id": 473,
      "agent_id": 29,
      "delay": 2.865,
      "onscreen_delay": 2.136,
      "typing_delay": 0.729,
      "typing_duration": 6.831,
      "wpm": 59,
      "message": "แต่ตอนนี้ไม่ใช่เลขหลักหน่วย "
    },
    {
      "message_id": 474,
      "agent_id": 13,
      "delay": 2.83,
      "onscreen_delay": 1.461,
      "typing_delay": 1.369,
      "typing_duration": 6.037,
      "wpm": 52,
      "message": "2 ตัวนี้นะคะ 2 ตัวนี้"
    },
    {
      "message_id": 475,
      "agent_id": 14,
      "delay": 2.034,
      "onscreen_delay": 1.417,
      "typing_delay": 0.617,
      "typing_duration": 6.605,
      "wpm": 50,
      "message": "เขาจะมีค่าประจำหลักเขา"
    },
    {
      "message_id": 476,
      "agent_id": 16,
      "delay": 2.604,
      "onscreen_delay": 1.559,
      "typing_delay": 1.045,
      "typing_duration": 5.643,
      "wpm": 53,
      "message": "เป็น 2 เป็นยกกำลัง 0"
    },
    {
      "message_id": 477,
      "agent_id": 29,
      "delay": 1.641,
      "onscreen_delay": 0.919,
      "typing_delay": 0.722,
      "typing_duration": 7.305,
      "wpm": 8,
      "message": "นะคะ "
    },
    {
      "message_id": 478,
      "agent_id": 13,
      "delay": 3.304,
      "onscreen_delay": 2.423,
      "typing_delay": 0.881,
      "typing_duration": 6.742,
      "wpm": 40,
      "message": "ส่วนถัดมา 1 ตัวนี้ "
    },
    {
      "message_id": 479,
      "agent_id": 14,
      "delay": 2.869,
      "onscreen_delay": 0,
      "typing_delay": 2.869,
      "typing_duration": 7.585,
      "wpm": 32,
      "message": "จะมีค่าประจำหลัก "
    },
    {
      "message_id": 480,
      "agent_id": 16,
      "delay": 3.583,
      "onscreen_delay": 2.395,
      "typing_delay": 1.188,
      "typing_duration": 4.476,
      "wpm": 67,
      "message": "พวกนี้มีค่าประจำหลัก"
    },
    {
      "message_id": 481,
      "agent_id": 29,
      "delay": 3.882,
      "onscreen_delay": 0,
      "typing_delay": 3.882,
      "typing_duration": 11.051,
      "wpm": 29,
      "message": "ครูจะโยงเข้ามาให้เห็น "
    },
    {
      "message_id": 482,
      "agent_id": 13,
      "delay": 7.046,
      "onscreen_delay": 3.838,
      "typing_delay": 3.208,
      "typing_duration": 6.574,
      "wpm": 9,
      "message": "โอเค "
    },
    {
      "message_id": 483,
      "agent_id": 14,
      "delay": 3.044,
      "onscreen_delay": 0.148,
      "typing_delay": 2.896,
      "typing_duration": 7.369,
      "wpm": 47,
      "message": "ค่าประจำหลักของตัวที่ 1 "
    },
    {
      "message_id": 484,
      "agent_id": 16,
      "delay": 3.368,
      "onscreen_delay": 3.117,
      "typing_delay": 0.251,
      "typing_duration": 7.01,
      "wpm": 81,
      "message": "คือ 2 ยกกำลัง 0 ตัวถัดไปทางด้านซ้ายมือ"
    },
    {
      "message_id": 485,
      "agent_id": 29,
      "delay": 3.009,
      "onscreen_delay": 1.228,
      "typing_delay": 1.781,
      "typing_duration": 7.578,
      "wpm": 48,
      "message": "ตัวชี้กำลังชี้ขึ้นก็เป็น "
    },
    {
      "message_id": 486,
      "agent_id": 13,
      "delay": 3.578,
      "onscreen_delay": 3.033,
      "typing_delay": 0.545,
      "typing_duration": 11.287,
      "wpm": 48,
      "message": "2 ยกกำลัง 1 อันนี้คือค่าประจำหลักเขา "
    },
    {
      "message_id": 487,
      "agent_id": 14,
      "delay": 7.286,
      "onscreen_delay": 5.717,
      "typing_delay": 1.569,
      "typing_duration": 10.183,
      "wpm": 40,
      "message": "ส่วนเลข 0 ถัดไปอีกหลักหนึ่ง "
    },
    {
      "message_id": 488,
      "agent_id": 16,
      "delay": 6.182,
      "onscreen_delay": 5.917,
      "typing_delay": 0.265,
      "typing_duration": 6.81,
      "wpm": 79,
      "message": "เข้าประจำหลักเขาก็จะเป็น 2 ยกกำลัง 2 "
    },
    {
      "message_id": 489,
      "agent_id": 29,
      "delay": 2.809,
      "onscreen_delay": 2.113,
      "typing_delay": 0.696,
      "typing_duration": 6.294,
      "wpm": 55,
      "message": "ถัดไปก็เป็น 2 ยกกำลัง 3 "
    },
    {
      "message_id": 490,
      "agent_id": 13,
      "delay": 2.293,
      "onscreen_delay": 0.996,
      "typing_delay": 1.297,
      "typing_duration": 6.939,
      "wpm": 37,
      "message": "ก็คือ 2 ยกกำลัง 4 "
    },
    {
      "message_id": 491,
      "agent_id": 14,
      "delay": 2.937,
      "onscreen_delay": 2.397,
      "typing_delay": 0.54,
      "typing_duration": 6.985,
      "wpm": 62,
      "message": "การแปลงค่าเลขฐานสองเป็นฐานสิบ "
    },
    {
      "message_id": 492,
      "agent_id": 16,
      "delay": 2.984,
      "onscreen_delay": 1.915,
      "typing_delay": 1.069,
      "typing_duration": 7.898,
      "wpm": 65,
      "message": "เราจะเอาค่าประจำหลักไปคูณกับเลขโดด"
    },
    {
      "message_id": 493,
      "agent_id": 29,
      "delay": 3.897,
      "onscreen_delay": 2.173,
      "typing_delay": 1.724,
      "typing_duration": 8.135,
      "wpm": 30,
      "message": "ตอนนี้ครูก็จะเอา"
    },
    {
      "message_id": 494,
      "agent_id": 13,
      "delay": 4.135,
      "onscreen_delay": 3.29,
      "typing_delay": 0.845,
      "typing_duration": 11.694,
      "wpm": 40,
      "message": "เลข เลขโดดที่อยู่ในหลักนั้นนะคะ "
    },
    {
      "message_id": 495,
      "agent_id": 14,
      "delay": 7.692,
      "onscreen_delay": 7.06,
      "typing_delay": 0.632,
      "typing_duration": 7.282,
      "wpm": 35,
      "message": "ครูจะใช้เป็นสีแดง "
    },
    {
      "message_id": 496,
      "agent_id": 16,
      "delay": 3.69,
      "onscreen_delay": 2.996,
      "typing_delay": 0.694,
      "typing_duration": 4.229,
      "wpm": 18,
      "message": "เลข 1 "
    },
    {
      "message_id": 497,
      "agent_id": 29,
      "delay": 0.81,
      "onscreen_delay": 0,
      "typing_delay": 0.81,
      "typing_duration": 6.459,
      "wpm": 51,
      "message": "คูณกับค่าประจำหลักนะคะ "
    },
    {
      "message_id": 498,
      "agent_id": 13,
      "delay": 2.457,
      "onscreen_delay": 2.12,
      "typing_delay": 0.337,
      "typing_duration": 14.428,
      "wpm": 41,
      "message": "ต่อไป เลขโดดก็เป็นเลข 1 คูณค่าประจำหลัก "
    },
    {
      "message_id": 499,
      "agent_id": 14,
      "delay": 10.427,
      "onscreen_delay": 9.486,
      "typing_delay": 0.941,
      "typing_duration": 7.212,
      "wpm": 54,
      "message": "ตัวที่ 3 0 คูณค่าประจำหลัก "
    },
    {
      "message_id": 500,
      "agent_id": 16,
      "delay": 6.425,
      "onscreen_delay": 4.343,
      "typing_delay": 2.082,
      "typing_duration": 6.659,
      "wpm": 32,
      "message": "ตัวต่อไป 1 คูณ"
    },
    {
      "message_id": 501,
      "agent_id": 29,
      "delay": 2.657,
      "onscreen_delay": 2.347,
      "typing_delay": 0.31,
      "typing_duration": 10.318,
      "wpm": 47,
      "message": "คุณค่าประจำหลัก ตัวที่ 5 ก็คือ 1 "
    },
    {
      "message_id": 502,
      "agent_id": 13,
      "delay": 6.314,
      "onscreen_delay": 5.509,
      "typing_delay": 0.805,
      "typing_duration": 5.067,
      "wpm": 44,
      "message": "คูณค่าประจำหลัก "
    },
    {
      "message_id": 503,
      "agent_id": 14,
      "delay": 2.31,
      "onscreen_delay": 1.335,
      "typing_delay": 0.975,
      "typing_duration": 5.781,
      "wpm": 49,
      "message": "อันนี้มาดูคำตอบนะคะ "
    },
    {
      "message_id": 504,
      "agent_id": 16,
      "delay": 1.78,
      "onscreen_delay": 0.902,
      "typing_delay": 0.878,
      "typing_duration": 6.256,
      "wpm": 41,
      "message": "1 คูณ 2 ยกกำลัง 0 "
    },
    {
      "message_id": 505,
      "agent_id": 29,
      "delay": 2.256,
      "onscreen_delay": 1.797,
      "typing_delay": 0.459,
      "typing_duration": 6.775,
      "wpm": 29,
      "message": "ก็มีค่าเป็น 1 "
    },
    {
      "message_id": 506,
      "agent_id": 13,
      "delay": 2.772,
      "onscreen_delay": 2.328,
      "typing_delay": 0.444,
      "typing_duration": 13.638,
      "wpm": 46,
      "message": "นะคะ อะไรก็ตามที่ยกกำลัง 0 มีค่าเป็น 1 หมด "
    },
    {
      "message_id": 507,
      "agent_id": 14,
      "delay": 9.635,
      "onscreen_delay": 8.306,
      "typing_delay": 1.329,
      "typing_duration": 6.951,
      "wpm": 52,
      "message": "0 ยกกำลัง 0 ไม่นิยามนะคะ "
    },
    {
      "message_id": 508,
      "agent_id": 16,
      "delay": 5.634,
      "onscreen_delay": 2.572,
      "typing_delay": 3.062,
      "typing_duration": 6.952,
      "wpm": 32,
      "message": "ได้แล้ว 1 คูณ 1 "
    },
    {
      "message_id": 509,
      "agent_id": 29,
      "delay": 2.95,
      "onscreen_delay": 2.311,
      "typing_delay": 0.639,
      "typing_duration": 4.733,
      "wpm": 41,
      "message": "จะมีค่าเป็น 1 "
    },
    {
      "message_id": 510,
      "agent_id": 13,
      "delay": 1.941,
      "onscreen_delay": 0,
      "typing_delay": 1.941,
      "typing_duration": 6.787,
      "wpm": 20,
      "message": "จากนั้น 1 "
    },
    {
      "message_id": 511,
      "agent_id": 14,
      "delay": 2.786,
      "onscreen_delay": 2.461,
      "typing_delay": 0.325,
      "typing_duration": 12.719,
      "wpm": 39,
      "message": "ตัวที่ 2 ที่กระเถิบไปด้านซ้ายนะคะ "
    },
    {
      "message_id": 512,
      "agent_id": 16,
      "delay": 8.718,
      "onscreen_delay": 6.928,
      "typing_delay": 1.79,
      "typing_duration": 8.102,
      "wpm": 63,
      "message": "1 คูณกับ 2 ยกกำลัง 1 ก็มีค่าเป็น 2 "
    },
    {
      "message_id": 513,
      "agent_id": 29,
      "delay": 4.716,
      "onscreen_delay": 4.04,
      "typing_delay": 0.676,
      "typing_duration": 11.354,
      "wpm": 7,
      "message": "2 2 x "
    },
    {
      "message_id": 514,
      "agent_id": 13,
      "delay": 7.353,
      "onscreen_delay": 6.754,
      "typing_delay": 0.599,
      "typing_duration": 7.023,
      "wpm": 13,
      "message": "เป็น 2 "
    },
    {
      "message_id": 515,
      "agent_id": 14,
      "delay": 3.351,
      "onscreen_delay": 3.184,
      "typing_delay": 0.167,
      "typing_duration": 7.486,
      "wpm": 44,
      "message": "ต่อไปตัวที่ 3 ก็จะเป็น "
    },
    {
      "message_id": 516,
      "agent_id": 16,
      "delay": 3.486,
      "onscreen_delay": 2.237,
      "typing_delay": 1.249,
      "typing_duration": 6.055,
      "wpm": 59,
      "message": "0 คูณกับ 2 เป็นยกกำลัง 4 "
    },
    {
      "message_id": 517,
      "agent_id": 29,
      "delay": 2.054,
      "onscreen_delay": 1.001,
      "typing_delay": 1.053,
      "typing_duration": 5.545,
      "wpm": 43,
      "message": "แต่ 4 x 0 เป็น 0 "
    },
    {
      "message_id": 518,
      "agent_id": 13,
      "delay": 2.838,
      "onscreen_delay": 0,
      "typing_delay": 2.838,
      "typing_duration": 6.227,
      "wpm": 34,
      "message": "ถัดไป ตัวที่ 2 "
    },
    {
      "message_id": 519,
      "agent_id": 14,
      "delay": 2.226,
      "onscreen_delay": 1.3,
      "typing_delay": 0.926,
      "typing_duration": 11.439,
      "wpm": 38,
      "message": "มาดู 2 ยกกำลัง 3 นะคะ 2 คูณ 2 "
    },
    {
      "message_id": 520,
      "agent_id": 16,
      "delay": 7.438,
      "onscreen_delay": 6.568,
      "typing_delay": 0.87,
      "typing_duration": 7.85,
      "wpm": 40,
      "message": "เป็น 4 4 คูณ 2 เป็น 8 "
    },
    {
      "message_id": 521,
      "agent_id": 29,
      "delay": 3.848,
      "onscreen_delay": 3.546,
      "typing_delay": 0.302,
      "typing_duration": 8.135,
      "wpm": 55,
      "message": "ก็จะเป็น 8 แสดงว่าตัวนี้เป็น 8 "
    },
    {
      "message_id": 522,
      "agent_id": 13,
      "delay": 4.135,
      "onscreen_delay": 1.396,
      "typing_delay": 2.739,
      "typing_duration": 6.666,
      "wpm": 25,
      "message": "ก็จะได้เป็น "
    },
    {
      "message_id": 523,
      "agent_id": 14,
      "delay": 2.664,
      "onscreen_delay": 2.236,
      "typing_delay": 0.428,
      "typing_duration": 4.629,
      "wpm": 45,
      "message": "1 คูณ 8 เป็น 8 "
    },
    {
      "message_id": 524,
      "agent_id": 16,
      "delay": 1.472,
      "onscreen_delay": 0,
      "typing_delay": 1.472,
      "typing_duration": 7.676,
      "wpm": 55,
      "message": "ถัดไปตัวสุดท้าย 1 ตัวสุดท้าย "
    },
    {
      "message_id": 525,
      "agent_id": 29,
      "delay": 3.675,
      "onscreen_delay": 2.676,
      "typing_delay": 0.999,
      "typing_duration": 10.539,
      "wpm": 26,
      "message": "1 ตัวสุดท้ายคูณกับ "
    },
    {
      "message_id": 526,
      "agent_id": 13,
      "delay": 6.537,
      "onscreen_delay": 5.312,
      "typing_delay": 1.225,
      "typing_duration": 11.285,
      "wpm": 51,
      "message": "2 ยกกำลัง 4 โดยคิดเพิ่มจาก 2 ยกกำลัง 3 "
    },
    {
      "message_id": 527,
      "agent_id": 14,
      "delay": 7.284,
      "onscreen_delay": 5.976,
      "typing_delay": 1.308,
      "typing_duration": 5.897,
      "wpm": 41,
      "message": "เอา 8 ไปคูณกับ 2 "
    },
    {
      "message_id": 528,
      "agent_id": 16,
      "delay": 4.048,
      "onscreen_delay": 0,
      "typing_delay": 4.048,
      "typing_duration": 4.048,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 529,
      "agent_id": 29,
      "delay": 4.261,
      "onscreen_delay": 0,
      "typing_delay": 4.261,
      "typing_duration": 4.261,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 530,
      "agent_id": 13,
      "delay": 1.492,
      "onscreen_delay": 0,
      "typing_delay": 1.492,
      "typing_duration": 13.216,
      "wpm": 40,
      "message": "2 ยกกำลัง 4 ก็เท่ากับ 2 คูณ 2 คูณ 2 "
    },
    {
      "message_id": 531,
      "agent_id": 14,
      "delay": 9.214,
      "onscreen_delay": 4.736,
      "typing_delay": 4.478,
      "typing_duration": 4.478,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 532,
      "agent_id": 16,
      "delay": 5.211,
      "onscreen_delay": 0.856,
      "typing_delay": 4.355,
      "typing_duration": 4.355,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 533,
      "agent_id": 29,
      "delay": 5.293,
      "onscreen_delay": 0,
      "typing_delay": 5.293,
      "typing_duration": 7.201,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 534,
      "agent_id": 13,
      "delay": 3.199,
      "onscreen_delay": 2.785,
      "typing_delay": 0.414,
      "typing_duration": 12.244,
      "wpm": 37,
      "message": "คือ 2 4 ตัวคูณกัน มีค่าเป็น 16 "
    },
    {
      "message_id": 535,
      "agent_id": 14,
      "delay": 8.242,
      "onscreen_delay": 4.696,
      "typing_delay": 3.546,
      "typing_duration": 8.475,
      "wpm": 19,
      "message": "มันก็จะเป็น "
    },
    {
      "message_id": 536,
      "agent_id": 16,
      "delay": 4.474,
      "onscreen_delay": 3.141,
      "typing_delay": 1.333,
      "typing_duration": 5.838,
      "wpm": 49,
      "message": "1 คูณ 16 เท่ากับ 16 "
    },
    {
      "message_id": 537,
      "agent_id": 29,
      "delay": 1.837,
      "onscreen_delay": 0.311,
      "typing_delay": 1.526,
      "typing_duration": 8.261,
      "wpm": 18,
      "message": "11 จากนั้น "
    },
    {
      "message_id": 538,
      "agent_id": 13,
      "delay": 4.26,
      "onscreen_delay": 3.042,
      "typing_delay": 1.218,
      "typing_duration": 10.439,
      "wpm": 26,
      "message": "จากนั้นนะคะ เราเอา"
    },
    {
      "message_id": 539,
      "agent_id": 14,
      "delay": 6.437,
      "onscreen_delay": 6.253,
      "typing_delay": 0.184,
      "typing_duration": 7.975,
      "wpm": 41,
      "message": "คำตอบของเลขที่เกิดขึ้น"
    },
    {
      "message_id": 540,
      "agent_id": 16,
      "delay": 3.975,
      "onscreen_delay": 2.588,
      "typing_delay": 1.387,
      "typing_duration": 4.136,
      "wpm": 69,
      "message": "ในแต่ละหลักมารวมกัน "
    },
    {
      "message_id": 541,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 542,
      "agent_id": 13,
      "delay": 11.001,
      "onscreen_delay": 2.302,
      "typing_delay": 8.699,
      "typing_duration": 8.699,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 543,
      "agent_id": 14,
      "delay": 6.996,
      "onscreen_delay": 1.555,
      "typing_delay": 5.441,
      "typing_duration": 5.441,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 544,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 545,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 9.42,
      "typing_delay": 1.578,
      "typing_duration": 10.071,
      "wpm": 45,
      "message": "เอามันมารวมกันก็จะได้คำตอบนะคะ "
    },
    {
      "message_id": 546,
      "agent_id": 13,
      "delay": 6.997,
      "onscreen_delay": 6.195,
      "typing_delay": 0.802,
      "typing_duration": 5.122,
      "wpm": 59,
      "message": "ดังนั้น ก็จะได้คำตอบ "
    },
    {
      "message_id": 547,
      "agent_id": 14,
      "delay": 2.997,
      "onscreen_delay": 2.73,
      "typing_delay": 0.267,
      "typing_duration": 9.706,
      "wpm": 32,
      "message": "เท่ากับอะไรบ้างคะ 1 + "
    },
    {
      "message_id": 548,
      "agent_id": 16,
      "delay": 5.699,
      "onscreen_delay": 4.65,
      "typing_delay": 1.049,
      "typing_duration": 10.488,
      "wpm": 10,
      "message": "2 + 0 + "
    },
    {
      "message_id": 549,
      "agent_id": 29,
      "delay": 6.484,
      "onscreen_delay": 4.15,
      "typing_delay": 2.334,
      "typing_duration": 7.697,
      "wpm": 12,
      "message": "8 + 16 "
    },
    {
      "message_id": 550,
      "agent_id": 13,
      "delay": 3.694,
      "onscreen_delay": 2.153,
      "typing_delay": 1.541,
      "typing_duration": 4.874,
      "wpm": 22,
      "message": "เท่ากับ "
    },
    {
      "message_id": 551,
      "agent_id": 14,
      "delay": 2.86,
      "onscreen_delay": 0,
      "typing_delay": 2.86,
      "typing_duration": 5.192,
      "wpm": 32,
      "message": "ได้เท่าไรคะ "
    },
    {
      "message_id": 552,
      "agent_id": 16,
      "delay": 1.834,
      "onscreen_delay": 0,
      "typing_delay": 1.834,
      "typing_duration": 15.003,
      "wpm": 11,
      "message": "ได้เท่าไรคะ "
    },
    {
      "message_id": 553,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.132,
      "typing_delay": 0.869,
      "typing_duration": 4.291,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 554,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 555,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 5.711,
      "typing_delay": 5.289,
      "typing_duration": 5.289,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 556,
      "agent_id": 16,
      "delay": 6.999,
      "onscreen_delay": 2.744,
      "typing_delay": 4.255,
      "typing_duration": 4.255,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 557,
      "agent_id": 29,
      "delay": 2.995,
      "onscreen_delay": 0.79,
      "typing_delay": 2.205,
      "typing_duration": 9.284,
      "wpm": 50,
      "message": "เรา... (ล่าม) ตอบ 27 ค่ะอาจารย์ "
    },
    {
      "message_id": 558,
      "agent_id": 13,
      "delay": 5.283,
      "onscreen_delay": 4.609,
      "typing_delay": 0.674,
      "typing_duration": 8.834,
      "wpm": 76,
      "message": "(อาจารย์ชนัญกาญจน์) โอเคค่ะ ขอบคุณค่ะ แสดงว่า "
    },
    {
      "message_id": 559,
      "agent_id": 14,
      "delay": 4.831,
      "onscreen_delay": 0.116,
      "typing_delay": 4.715,
      "typing_duration": 4.715,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 560,
      "agent_id": 16,
      "delay": 3.097,
      "onscreen_delay": 0,
      "typing_delay": 3.097,
      "typing_duration": 7.719,
      "wpm": 33,
      "message": "เราทำได้เห็นไหมคะ "
    },
    {
      "message_id": 561,
      "agent_id": 29,
      "delay": 3.717,
      "onscreen_delay": 2.23,
      "typing_delay": 1.487,
      "typing_duration": 9.977,
      "wpm": 39,
      "message": "เลขฐานสองให้เป็นฐานสิบนะคะ "
    },
    {
      "message_id": 562,
      "agent_id": 13,
      "delay": 5.976,
      "onscreen_delay": 2.257,
      "typing_delay": 3.719,
      "typing_duration": 11.416,
      "wpm": 30,
      "message": "ด้านนี้คือเลขฐานสองนะคะ "
    },
    {
      "message_id": 563,
      "agent_id": 14,
      "delay": 7.416,
      "onscreen_delay": 5.922,
      "typing_delay": 1.494,
      "typing_duration": 15.001,
      "wpm": 34,
      "message": "ด้านซ้ายมือเป็นเลขฐานสอง ด้านขวาใท"
    },
    {
      "message_id": 564,
      "agent_id": 16,
      "delay": 11,
      "onscreen_delay": 9.849,
      "typing_delay": 1.151,
      "typing_duration": 5.072,
      "wpm": 53,
      "message": "เลขฐาน 2 คือเลข 10 "
    },
    {
      "message_id": 565,
      "agent_id": 29,
      "delay": 6.967,
      "onscreen_delay": 5.988,
      "typing_delay": 0.979,
      "typing_duration": 9.167,
      "wpm": 43,
      "message": "นักศึกษาให้ครูผ่านได้ไหมคะ "
    },
    {
      "message_id": 566,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 567,
      "agent_id": 14,
      "delay": 11.003,
      "onscreen_delay": 9.415,
      "typing_delay": 1.588,
      "typing_duration": 4.461,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 568,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 569,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 3.013,
      "typing_delay": 7.988,
      "typing_duration": 7.988,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 570,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 571,
      "agent_id": 14,
      "delay": 10.995,
      "onscreen_delay": 6.174,
      "typing_delay": 4.821,
      "typing_duration": 4.821,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 572,
      "agent_id": 16,
      "delay": 6.993,
      "onscreen_delay": 2.615,
      "typing_delay": 4.378,
      "typing_duration": 4.378,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 573,
      "agent_id": 29,
      "delay": 7.63,
      "onscreen_delay": 0,
      "typing_delay": 7.63,
      "typing_duration": 7.63,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 574,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 575,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.711,
      "typing_delay": 4.289,
      "typing_duration": 4.289,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 576,
      "agent_id": 16,
      "delay": 6.998,
      "onscreen_delay": 2.646,
      "typing_delay": 4.352,
      "typing_duration": 4.352,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 577,
      "agent_id": 29,
      "delay": 3.406,
      "onscreen_delay": 0,
      "typing_delay": 3.406,
      "typing_duration": 11.738,
      "wpm": 36,
      "message": "(ล่าม) นพกิตบอกว่าเข้าใจครับ "
    },
    {
      "message_id": 578,
      "agent_id": 13,
      "delay": 7.734,
      "onscreen_delay": 6.588,
      "typing_delay": 1.146,
      "typing_duration": 14.225,
      "wpm": 79,
      "message": "(อาจารย์ชนัญกาญจน์) ขอบคุณค่ะ (ล่าม) เมื่อกี้บอกน่ะครับ ว่าตัวอย่างเมื่อกี้ "
    },
    {
      "message_id": 579,
      "agent_id": 14,
      "delay": 10.223,
      "onscreen_delay": 10.054,
      "typing_delay": 0.169,
      "typing_duration": 7.036,
      "wpm": 41,
      "message": "จากตัวอย่างเมื่อกี้"
    },
    {
      "message_id": 580,
      "agent_id": 16,
      "delay": 6.209,
      "onscreen_delay": 4.103,
      "typing_delay": 2.106,
      "typing_duration": 6.578,
      "wpm": 66,
      "message": "จากเลขอันนี้อาจารย์มาทำอีกอัน"
    },
    {
      "message_id": 581,
      "agent_id": 29,
      "delay": 2.578,
      "onscreen_delay": 2.005,
      "typing_delay": 0.573,
      "typing_duration": 8.595,
      "wpm": 89,
      "message": "น่ะค่ะ มันก็จะได้คำตอบเหมือนกัน (อาจารย์ชนัญกาญจน์) "
    },
    {
      "message_id": 582,
      "agent_id": 13,
      "delay": 4.594,
      "onscreen_delay": 4.076,
      "typing_delay": 0.518,
      "typing_duration": 13.822,
      "wpm": 49,
      "message": "ขอบคุณมากเลยนะคะ ขอบคุณครูล่ามด้วยค่ะ ช่วยแปล "
    },
    {
      "message_id": 583,
      "agent_id": 14,
      "delay": 9.821,
      "onscreen_delay": 6.483,
      "typing_delay": 3.338,
      "typing_duration": 11.035,
      "wpm": 11,
      "message": "ค่ะ โอเค "
    },
    {
      "message_id": 584,
      "agent_id": 16,
      "delay": 7.033,
      "onscreen_delay": 4.385,
      "typing_delay": 2.648,
      "typing_duration": 8.776,
      "wpm": 62,
      "message": "งั้นเราไปเจอโจทย์ที่มันท้าทายเราขึ้น "
    },
    {
      "message_id": 585,
      "agent_id": 29,
      "delay": 4.776,
      "onscreen_delay": 3.76,
      "typing_delay": 1.016,
      "typing_duration": 11.914,
      "wpm": 43,
      "message": "เราขึ้น มันจะไม่เป็นตัวเลขจำนวนนับ"
    },
    {
      "message_id": 586,
      "agent_id": 13,
      "delay": 7.913,
      "onscreen_delay": 6.939,
      "typing_delay": 0.974,
      "typing_duration": 11.762,
      "wpm": 65,
      "message": "ที่ลงตัว เหมือนอย่างที่เราถามว่าเธอเกิดวันที่เท่าไร "
    },
    {
      "message_id": 587,
      "agent_id": 14,
      "delay": 7.76,
      "onscreen_delay": 6.364,
      "typing_delay": 1.396,
      "typing_duration": 7.988,
      "wpm": 24,
      "message": "เกิดวันที่ 27 "
    },
    {
      "message_id": 588,
      "agent_id": 16,
      "delay": 3.987,
      "onscreen_delay": 1.355,
      "typing_delay": 2.632,
      "typing_duration": 7.236,
      "wpm": 62,
      "message": "อันนี้เป็นเลขจำนวนนับทั่ว ๆ ไป"
    },
    {
      "message_id": 589,
      "agent_id": 29,
      "delay": 3.236,
      "onscreen_delay": 2.681,
      "typing_delay": 0.555,
      "typing_duration": 11.602,
      "wpm": 62,
      "message": "เป็นพื้นฐาน แต่ถ้าเป็นจำนวนที่ไม่เป็นจำนวนนับล่ะ "
    },
    {
      "message_id": 590,
      "agent_id": 13,
      "delay": 7.6,
      "onscreen_delay": 6.188,
      "typing_delay": 1.412,
      "typing_duration": 10.026,
      "wpm": 36,
      "message": "ก็คือตัวเลขที่เป็นทศนิยม "
    },
    {
      "message_id": 591,
      "agent_id": 14,
      "delay": 6.025,
      "onscreen_delay": 5.555,
      "typing_delay": 0.47,
      "typing_duration": 9.634,
      "wpm": 67,
      "message": "เรามาดูโจทย์ที่ท้าทายความสามารถขึ้นนิดหนึ่ง "
    },
    {
      "message_id": 592,
      "agent_id": 16,
      "delay": 5.632,
      "onscreen_delay": 3.114,
      "typing_delay": 2.518,
      "typing_duration": 8.806,
      "wpm": 61,
      "message": "ตอนนี้ครูจะอยู่ที่แจมบอร์ด หน้าที่ 6 "
    },
    {
      "message_id": 593,
      "agent_id": 29,
      "delay": 4.804,
      "onscreen_delay": 3.896,
      "typing_delay": 0.908,
      "typing_duration": 9.285,
      "wpm": 60,
      "message": "นะคะ ดูที่หัวกระดานนะคะ มันจะเป็น 6/6 "
    },
    {
      "message_id": 594,
      "agent_id": 13,
      "delay": 5.283,
      "onscreen_delay": 4.164,
      "typing_delay": 1.119,
      "typing_duration": 7.906,
      "wpm": 55,
      "message": "ก็คือเป็นกระดานหน้าที่ 6 โอเค "
    },
    {
      "message_id": 595,
      "agent_id": 14,
      "delay": 3.905,
      "onscreen_delay": 2.128,
      "typing_delay": 1.777,
      "typing_duration": 9.504,
      "wpm": 32,
      "message": "ถ้าใครยังอยู่ที่ 5/5 "
    },
    {
      "message_id": 596,
      "agent_id": 16,
      "delay": 5.501,
      "onscreen_delay": 4.124,
      "typing_delay": 1.377,
      "typing_duration": 7.334,
      "wpm": 51,
      "message": "ไม่เห็นกดลูกศร ให้กดลูกศร "
    },
    {
      "message_id": 597,
      "agent_id": 29,
      "delay": 3.323,
      "onscreen_delay": 2.957,
      "typing_delay": 0.366,
      "typing_duration": 12.311,
      "wpm": 45,
      "message": "ให้เป็น 6/6 ไปเจอหน้าใหม่เหมือนกับครู"
    },
    {
      "message_id": 598,
      "agent_id": 13,
      "delay": 8.309,
      "onscreen_delay": 6.569,
      "typing_delay": 1.74,
      "typing_duration": 9.351,
      "wpm": 59,
      "message": "นะคะ ตอนนี้อยู่หน้าใหม่กันแล้วหรือยัง "
    },
    {
      "message_id": 599,
      "agent_id": 14,
      "delay": 5.351,
      "onscreen_delay": 3.594,
      "typing_delay": 1.757,
      "typing_duration": 10.016,
      "wpm": 6,
      "message": "โอเค "
    },
    {
      "message_id": 600,
      "agent_id": 16,
      "delay": 6.015,
      "onscreen_delay": 4.99,
      "typing_delay": 1.025,
      "typing_duration": 8.566,
      "wpm": 65,
      "message": "คราวนี้ถ้าเป็นจำนวนที่ไม่เป็นจำนวนนับ"
    },
    {
      "message_id": 601,
      "agent_id": 29,
      "delay": 4.565,
      "onscreen_delay": 4.127,
      "typing_delay": 0.438,
      "typing_duration": 4.245,
      "wpm": 14,
      "message": "เช่น "
    },
    {
      "message_id": 602,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 603,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 8.879,
      "typing_delay": 2.12,
      "typing_duration": 8.733,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 604,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 4.965,
      "typing_delay": 2.032,
      "typing_duration": 9.518,
      "wpm": 17,
      "message": "จงแปลง 0.18"
    },
    {
      "message_id": 605,
      "agent_id": 29,
      "delay": 5.516,
      "onscreen_delay": 4.418,
      "typing_delay": 1.098,
      "typing_duration": 6.298,
      "wpm": 21,
      "message": "75 หาร 10 "
    },
    {
      "message_id": 606,
      "agent_id": 13,
      "delay": 2.297,
      "onscreen_delay": 1.521,
      "typing_delay": 0.776,
      "typing_duration": 9.155,
      "wpm": 64,
      "message": "หาร 10 นี่ จะเขียนหรือไม่เขียนก็ได้นะคะ "
    },
    {
      "message_id": 607,
      "agent_id": 14,
      "delay": 5.152,
      "onscreen_delay": 4.54,
      "typing_delay": 0.612,
      "typing_duration": 9.673,
      "wpm": 42,
      "message": "ถ้าไม่เขียนนี่ข้อกำหนดกติกา"
    },
    {
      "message_id": 608,
      "agent_id": 16,
      "delay": 5.672,
      "onscreen_delay": 3.328,
      "typing_delay": 2.344,
      "typing_duration": 13.016,
      "wpm": 56,
      "message": "ในระบบจำนวนเราจะให้เป็นเลขฐาน 10 โดยอัตโนมัตินะคะ "
    },
    {
      "message_id": 609,
      "agent_id": 29,
      "delay": 9.014,
      "onscreen_delay": 6.961,
      "typing_delay": 2.053,
      "typing_duration": 10.56,
      "wpm": 24,
      "message": "จงแปลงจำนวนนี้ให้"
    },
    {
      "message_id": 610,
      "agent_id": 13,
      "delay": 6.559,
      "onscreen_delay": 6.175,
      "typing_delay": 0.384,
      "typing_duration": 4.873,
      "wpm": 40,
      "message": "เป็นเลขฐานสอง "
    },
    {
      "message_id": 611,
      "agent_id": 14,
      "delay": 4.396,
      "onscreen_delay": 0,
      "typing_delay": 4.396,
      "typing_duration": 4.396,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 612,
      "agent_id": 16,
      "delay": 3.067,
      "onscreen_delay": 0,
      "typing_delay": 3.067,
      "typing_duration": 6.165,
      "wpm": 36,
      "message": "สำหรับในการแปลง"
    },
    {
      "message_id": 613,
      "agent_id": 29,
      "delay": 2.163,
      "onscreen_delay": 1.511,
      "typing_delay": 0.652,
      "typing_duration": 10.814,
      "wpm": 53,
      "message": "ตัวเลขที่ไม่เป็นจำนวนนับ ที่เป้นทศนิยม"
    },
    {
      "message_id": 614,
      "agent_id": 13,
      "delay": 6.813,
      "onscreen_delay": 6.583,
      "typing_delay": 0.23,
      "typing_duration": 6.712,
      "wpm": 56,
      "message": "มีหลักการ ก็คือให้เราตั้ง"
    },
    {
      "message_id": 615,
      "agent_id": 14,
      "delay": 2.811,
      "onscreen_delay": 1.83,
      "typing_delay": 0.981,
      "typing_duration": 12.755,
      "wpm": 59,
      "message": "การคูณ เมื่อกี้นะคะ ถ้าเป็นจำนวนที่เป็นจำนวนนับนี่ "
    },
    {
      "message_id": 616,
      "agent_id": 16,
      "delay": 8.754,
      "onscreen_delay": 7.496,
      "typing_delay": 1.258,
      "typing_duration": 8.973,
      "wpm": 33,
      "message": "เราหาร หารไปเรื่อย ๆ "
    },
    {
      "message_id": 617,
      "agent_id": 29,
      "delay": 4.971,
      "onscreen_delay": 3.459,
      "typing_delay": 1.512,
      "typing_duration": 10.051,
      "wpm": 39,
      "message": "เรียกว่าหารยาว หารไปจนกว่า"
    },
    {
      "message_id": 618,
      "agent_id": 13,
      "delay": 6.05,
      "onscreen_delay": 4.954,
      "typing_delay": 1.096,
      "typing_duration": 13.505,
      "wpm": 53,
      "message": "ผลลัพธ์มันจะน้อยกว่าตัวหาร เมื่อกี้ คือ หารยาวนะ "
    },
    {
      "message_id": 619,
      "agent_id": 14,
      "delay": 9.504,
      "onscreen_delay": 8.807,
      "typing_delay": 0.697,
      "typing_duration": 9.457,
      "wpm": 48,
      "message": "แต่ตอนนี้ถ้าเป็นจำนวนทศนิยมนี่"
    },
    {
      "message_id": 620,
      "agent_id": 16,
      "delay": 5.502,
      "onscreen_delay": 3.681,
      "typing_delay": 1.821,
      "typing_duration": 5.134,
      "wpm": 47,
      "message": "ให้คูณ คูณยาวเลย "
    },
    {
      "message_id": 621,
      "agent_id": 29,
      "delay": 1.976,
      "onscreen_delay": 0,
      "typing_delay": 1.976,
      "typing_duration": 6.173,
      "wpm": 49,
      "message": "บางครั้งนะคะ วิธีการ"
    },
    {
      "message_id": 622,
      "agent_id": 13,
      "delay": 2.159,
      "onscreen_delay": 1.573,
      "typing_delay": 0.586,
      "typing_duration": 8.094,
      "wpm": 50,
      "message": "ก็คือสเต็ปแรก ก็คือเราจะคูณ "
    },
    {
      "message_id": 623,
      "agent_id": 14,
      "delay": 4.093,
      "onscreen_delay": 3.897,
      "typing_delay": 0.196,
      "typing_duration": 10.218,
      "wpm": 66,
      "message": "เราจะคูณด้วย 2 ไปเรื่อย ๆ ครูก็จะเริ่มคูณนะคะ "
    },
    {
      "message_id": 624,
      "agent_id": 16,
      "delay": 6.217,
      "onscreen_delay": 1.857,
      "typing_delay": 4.36,
      "typing_duration": 4.36,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 625,
      "agent_id": 29,
      "delay": 5.155,
      "onscreen_delay": 0,
      "typing_delay": 5.155,
      "typing_duration": 5.155,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 626,
      "agent_id": 13,
      "delay": 4.608,
      "onscreen_delay": 0,
      "typing_delay": 4.608,
      "typing_duration": 4.608,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 627,
      "agent_id": 14,
      "delay": 4.375,
      "onscreen_delay": 0,
      "typing_delay": 4.375,
      "typing_duration": 4.375,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 628,
      "agent_id": 16,
      "delay": 3.751,
      "onscreen_delay": 0,
      "typing_delay": 3.751,
      "typing_duration": 6.956,
      "wpm": 6,
      "message": "0.1"
    },
    {
      "message_id": 629,
      "agent_id": 29,
      "delay": 2.952,
      "onscreen_delay": 2.109,
      "typing_delay": 0.843,
      "typing_duration": 8.002,
      "wpm": 6,
      "message": "875 "
    },
    {
      "message_id": 630,
      "agent_id": 13,
      "delay": 4,
      "onscreen_delay": 3.372,
      "typing_delay": 0.628,
      "typing_duration": 5.356,
      "wpm": 62,
      "message": "คูณด้วย 2 ตอนนี้ เราก็"
    },
    {
      "message_id": 631,
      "agent_id": 14,
      "delay": 1.354,
      "onscreen_delay": 0.745,
      "typing_delay": 0.609,
      "typing_duration": 9.909,
      "wpm": 36,
      "message": "มาดูว่าตามหลักคณิตศาสตร์ "
    },
    {
      "message_id": 632,
      "agent_id": 16,
      "delay": 5.905,
      "onscreen_delay": 4.561,
      "typing_delay": 1.344,
      "typing_duration": 5.973,
      "wpm": 53,
      "message": "เอา 2 ไปคูณกับ 5 ก่อน "
    },
    {
      "message_id": 633,
      "agent_id": 29,
      "delay": 2.442,
      "onscreen_delay": 0,
      "typing_delay": 2.442,
      "typing_duration": 7.03,
      "wpm": 34,
      "message": "เอา 2 ไปคูณกับ 5 "
    },
    {
      "message_id": 634,
      "agent_id": 13,
      "delay": 3.029,
      "onscreen_delay": 1.831,
      "typing_delay": 1.198,
      "typing_duration": 5.558,
      "wpm": 40,
      "message": "2 คูณ 5 เป็น 10 "
    },
    {
      "message_id": 635,
      "agent_id": 14,
      "delay": 1.557,
      "onscreen_delay": 1.066,
      "typing_delay": 0.491,
      "typing_duration": 8.92,
      "wpm": 24,
      "message": "ได้คำตอบเป็น 0 "
    },
    {
      "message_id": 636,
      "agent_id": 16,
      "delay": 4.919,
      "onscreen_delay": 3.546,
      "typing_delay": 1.373,
      "typing_duration": 4.539,
      "wpm": 63,
      "message": "ครูเขียนนะคะ ตรงนี้"
    },
    {
      "message_id": 637,
      "agent_id": 29,
      "delay": 2.752,
      "onscreen_delay": 0,
      "typing_delay": 2.752,
      "typing_duration": 11.885,
      "wpm": 6,
      "message": "0 แอบ"
    },
    {
      "message_id": 638,
      "agent_id": 13,
      "delay": 7.883,
      "onscreen_delay": 5.785,
      "typing_delay": 2.098,
      "typing_duration": 9.341,
      "wpm": 47,
      "message": "ทดด้วย 1 ตรงนี้ จากนั้นคูณต่อ "
    },
    {
      "message_id": 639,
      "agent_id": 14,
      "delay": 5.34,
      "onscreen_delay": 3.231,
      "typing_delay": 2.109,
      "typing_duration": 7.914,
      "wpm": 30,
      "message": "เอา 2 ไปคูณกับ 7 "
    },
    {
      "message_id": 640,
      "agent_id": 16,
      "delay": 3.911,
      "onscreen_delay": 1.067,
      "typing_delay": 2.844,
      "typing_duration": 7.057,
      "wpm": 32,
      "message": "2 คูณ 7 เป็น 17 "
    },
    {
      "message_id": 641,
      "agent_id": 29,
      "delay": 3.056,
      "onscreen_delay": 2.168,
      "typing_delay": 0.888,
      "typing_duration": 5.915,
      "wpm": 46,
      "message": "บวกกับทด 1 เป็น 15 "
    },
    {
      "message_id": 642,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 643,
      "agent_id": 14,
      "delay": 11.001,
      "onscreen_delay": 7.381,
      "typing_delay": 3.62,
      "typing_duration": 7.238,
      "wpm": 15,
      "message": "ทดไว้ 1 "
    },
    {
      "message_id": 644,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 0.649,
      "typing_delay": 6.348,
      "typing_duration": 6.348,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 645,
      "agent_id": 29,
      "delay": 4.059,
      "onscreen_delay": 0,
      "typing_delay": 4.059,
      "typing_duration": 10.746,
      "wpm": 21,
      "message": "เศษ 5 ทด 1 นะคะ "
    },
    {
      "message_id": 646,
      "agent_id": 13,
      "delay": 6.745,
      "onscreen_delay": 5.829,
      "typing_delay": 0.916,
      "typing_duration": 9.297,
      "wpm": 53,
      "message": "จากนั้น คูณต่อ เอา 2 ไปคูณกับอะไร "
    },
    {
      "message_id": 647,
      "agent_id": 14,
      "delay": 5.295,
      "onscreen_delay": 2.973,
      "typing_delay": 2.322,
      "typing_duration": 10.854,
      "wpm": 14,
      "message": "2 คูณกับ 8 "
    },
    {
      "message_id": 648,
      "agent_id": 16,
      "delay": 6.852,
      "onscreen_delay": 3.596,
      "typing_delay": 3.256,
      "typing_duration": 8.986,
      "wpm": 38,
      "message": "ตรงนี้นะคะ 2 คูณ 8 เป็น "
    },
    {
      "message_id": 649,
      "agent_id": 29,
      "delay": 4.985,
      "onscreen_delay": 4.296,
      "typing_delay": 0.689,
      "typing_duration": 11.201,
      "wpm": 23,
      "message": "16 บวกกับ ทดที่ 1 "
    },
    {
      "message_id": 650,
      "agent_id": 13,
      "delay": 7.194,
      "onscreen_delay": 6.162,
      "typing_delay": 1.032,
      "typing_duration": 4.467,
      "wpm": 24,
      "message": "เป็น 17 "
    },
    {
      "message_id": 651,
      "agent_id": 14,
      "delay": 4.508,
      "onscreen_delay": 0,
      "typing_delay": 4.508,
      "typing_duration": 4.508,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 652,
      "agent_id": 16,
      "delay": 3.981,
      "onscreen_delay": 0,
      "typing_delay": 3.981,
      "typing_duration": 8.521,
      "wpm": 18,
      "message": "ใส่ 7 ทศ 1 "
    },
    {
      "message_id": 653,
      "agent_id": 29,
      "delay": 4.782,
      "onscreen_delay": 0,
      "typing_delay": 4.782,
      "typing_duration": 4.782,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 654,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 655,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.384,
      "typing_delay": 0.615,
      "typing_duration": 7.403,
      "wpm": 26,
      "message": "ต่อไปครูจะคูณ"
    },
    {
      "message_id": 656,
      "agent_id": 16,
      "delay": 6.998,
      "onscreen_delay": 5.505,
      "typing_delay": 1.493,
      "typing_duration": 4.62,
      "wpm": 19,
      "message": "ตัวนี้ "
    },
    {
      "message_id": 657,
      "agent_id": 29,
      "delay": 2.997,
      "onscreen_delay": 1.405,
      "typing_delay": 1.592,
      "typing_duration": 7.85,
      "wpm": 29,
      "message": "2 คูณ 1 2 คูณ 1 "
    },
    {
      "message_id": 658,
      "agent_id": 13,
      "delay": 3.849,
      "onscreen_delay": 3.604,
      "typing_delay": 0.245,
      "typing_duration": 5.879,
      "wpm": 38,
      "message": "เป็น 2 บวกอีก 1 "
    },
    {
      "message_id": 659,
      "agent_id": 14,
      "delay": 1.878,
      "onscreen_delay": 1.455,
      "typing_delay": 0.423,
      "typing_duration": 4.558,
      "wpm": 46,
      "message": "เป็น 3 จริงไหม "
    },
    {
      "message_id": 660,
      "agent_id": 16,
      "delay": 9.515,
      "onscreen_delay": 0,
      "typing_delay": 9.515,
      "typing_duration": 12.797,
      "wpm": 9,
      "message": "ก็เป็น 3 "
    },
    {
      "message_id": 661,
      "agent_id": 29,
      "delay": 8.796,
      "onscreen_delay": 7.325,
      "typing_delay": 1.471,
      "typing_duration": 9.188,
      "wpm": 52,
      "message": "หมดแล้วข้างหน้าเป็นทศนิยม ก็ต้อง"
    },
    {
      "message_id": 662,
      "agent_id": 13,
      "delay": 5.187,
      "onscreen_delay": 3.666,
      "typing_delay": 1.521,
      "typing_duration": 12.164,
      "wpm": 46,
      "message": "ใส่ข้างหน้าตรงนี้นะคะ 2 คูณ 0 ก็คือ 0 "
    },
    {
      "message_id": 663,
      "agent_id": 14,
      "delay": 8.162,
      "onscreen_delay": 7.968,
      "typing_delay": 0.194,
      "typing_duration": 9.853,
      "wpm": 61,
      "message": "ก็เป็น 0 0 ตรงนี้นะคะ แล้วตรงนี้มีทศนิยม"
    },
    {
      "message_id": 664,
      "agent_id": 16,
      "delay": 5.852,
      "onscreen_delay": 5.699,
      "typing_delay": 0.153,
      "typing_duration": 4.282,
      "wpm": 60,
      "message": "ก็ใส่ทศนิยมตรงนี้ "
    },
    {
      "message_id": 665,
      "agent_id": 29,
      "delay": 1.85,
      "onscreen_delay": 0.214,
      "typing_delay": 1.636,
      "typing_duration": 7.07,
      "wpm": 11,
      "message": "จุด 0 "
    },
    {
      "message_id": 666,
      "agent_id": 13,
      "delay": 3.069,
      "onscreen_delay": 1.523,
      "typing_delay": 1.546,
      "typing_duration": 9.805,
      "wpm": 60,
      "message": "นี่คือคำตอบจากการคูณครั้งที่ 1 ใช่ไหมคะ "
    },
    {
      "message_id": 667,
      "agent_id": 14,
      "delay": 5.803,
      "onscreen_delay": 4.378,
      "typing_delay": 1.425,
      "typing_duration": 9.318,
      "wpm": 31,
      "message": "0.1875 คูณ 2 ก็เป็น "
    },
    {
      "message_id": 668,
      "agent_id": 16,
      "delay": 5.303,
      "onscreen_delay": 4.438,
      "typing_delay": 0.865,
      "typing_duration": 4.307,
      "wpm": 21,
      "message": "0.3750 "
    },
    {
      "message_id": 669,
      "agent_id": 29,
      "delay": 2.219,
      "onscreen_delay": 0,
      "typing_delay": 2.219,
      "typing_duration": 11.901,
      "wpm": 14,
      "message": "อันนี้เราก็"
    },
    {
      "message_id": 670,
      "agent_id": 13,
      "delay": 7.897,
      "onscreen_delay": 7.532,
      "typing_delay": 0.365,
      "typing_duration": 7.18,
      "wpm": 46,
      "message": "คูณไปเรื่อย ๆ นะคะ ว่า"
    },
    {
      "message_id": 671,
      "agent_id": 14,
      "delay": 3.896,
      "onscreen_delay": 3.74,
      "typing_delay": 0.156,
      "typing_duration": 7.078,
      "wpm": 78,
      "message": "ยิ่งเราต้องการคำตอบมีความใกล้เคียงกับ"
    },
    {
      "message_id": 672,
      "agent_id": 16,
      "delay": 3.077,
      "onscreen_delay": 2.619,
      "typing_delay": 0.458,
      "typing_duration": 6.115,
      "wpm": 66,
      "message": "ค่าเดิมเท่าไร คูณไปเรื่อย ๆ "
    },
    {
      "message_id": 673,
      "agent_id": 29,
      "delay": 2.113,
      "onscreen_delay": 1.818,
      "typing_delay": 0.295,
      "typing_duration": 15.002,
      "wpm": 50,
      "message": "คูณไปเรื่อย ๆ ยิ่งมีจำนวนครั้งที่คูณไปเรื่อย ๆ มาก"
    },
    {
      "message_id": 674,
      "agent_id": 13,
      "delay": 11,
      "onscreen_delay": 9.926,
      "typing_delay": 1.074,
      "typing_duration": 11.894,
      "wpm": 34,
      "message": "คำตอบที่ได้ก็เข้าใกล้ 0.175 "
    },
    {
      "message_id": 675,
      "agent_id": 14,
      "delay": 7.894,
      "onscreen_delay": 7.665,
      "typing_delay": 0.229,
      "typing_duration": 11.835,
      "wpm": 66,
      "message": "มากที่สุด อันนี้คำตอบประมาณการนะคะ คำตอบที่ใกล้เคียง "
    },
    {
      "message_id": 676,
      "agent_id": 16,
      "delay": 7.833,
      "onscreen_delay": 6.347,
      "typing_delay": 1.486,
      "typing_duration": 9.838,
      "wpm": 40,
      "message": "ในบางกรณีมันจะเป๊ะทันทีเลย "
    },
    {
      "message_id": 677,
      "agent_id": 29,
      "delay": 5.837,
      "onscreen_delay": 4.922,
      "typing_delay": 0.915,
      "typing_duration": 10.73,
      "wpm": 50,
      "message": "ต่อไปทำอีกครั้งหนึ่ง เอา 2 คูณเข้าไป "
    },
    {
      "message_id": 678,
      "agent_id": 13,
      "delay": 6.73,
      "onscreen_delay": 2.506,
      "typing_delay": 4.224,
      "typing_duration": 6.755,
      "wpm": 20,
      "message": "คูณด้วย 2"
    },
    {
      "message_id": 679,
      "agent_id": 14,
      "delay": 4.395,
      "onscreen_delay": 0,
      "typing_delay": 4.395,
      "typing_duration": 4.395,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 680,
      "agent_id": 16,
      "delay": 3.682,
      "onscreen_delay": 0,
      "typing_delay": 3.682,
      "typing_duration": 6.079,
      "wpm": 39,
      "message": "คำตอบที่เกิดขึ้น "
    },
    {
      "message_id": 681,
      "agent_id": 29,
      "delay": 3.469,
      "onscreen_delay": 0,
      "typing_delay": 3.469,
      "typing_duration": 10.349,
      "wpm": 14,
      "message": "ตอนแรกนะคะ "
    },
    {
      "message_id": 682,
      "agent_id": 13,
      "delay": 6.347,
      "onscreen_delay": 4.348,
      "typing_delay": 1.999,
      "typing_duration": 5.776,
      "wpm": 34,
      "message": "เอา 2 ไปคูณ 0 "
    },
    {
      "message_id": 683,
      "agent_id": 14,
      "delay": 2.343,
      "onscreen_delay": 1.817,
      "typing_delay": 0.526,
      "typing_duration": 4.48,
      "wpm": 47,
      "message": "2 คูณ 0 เป็น 0 "
    },
    {
      "message_id": 684,
      "agent_id": 16,
      "delay": 3.116,
      "onscreen_delay": 0,
      "typing_delay": 3.116,
      "typing_duration": 6.877,
      "wpm": 28,
      "message": "เป็น 0 ตรงนี้ "
    },
    {
      "message_id": 685,
      "agent_id": 29,
      "delay": 2.863,
      "onscreen_delay": 0.322,
      "typing_delay": 2.541,
      "typing_duration": 7.04,
      "wpm": 28,
      "message": "ต่อไป 2 คูณ 5 "
    },
    {
      "message_id": 686,
      "agent_id": 13,
      "delay": 3.038,
      "onscreen_delay": 2.242,
      "typing_delay": 0.796,
      "typing_duration": 9.802,
      "wpm": 35,
      "message": "2 คูณ 5 2 คูณ 5 เป็น 10 "
    },
    {
      "message_id": 687,
      "agent_id": 14,
      "delay": 5.801,
      "onscreen_delay": 5.541,
      "typing_delay": 0.26,
      "typing_duration": 5.074,
      "wpm": 30,
      "message": "ใส่ 0 ทด 1 "
    },
    {
      "message_id": 688,
      "agent_id": 16,
      "delay": 5.252,
      "onscreen_delay": 0,
      "typing_delay": 5.252,
      "typing_duration": 9.357,
      "wpm": 22,
      "message": "ใส่ 0 ทดด้วย 1 "
    },
    {
      "message_id": 689,
      "agent_id": 29,
      "delay": 5.356,
      "onscreen_delay": 4.522,
      "typing_delay": 0.834,
      "typing_duration": 4.467,
      "wpm": 44,
      "message": "แอบทด ทดไว้ 1 "
    },
    {
      "message_id": 690,
      "agent_id": 13,
      "delay": 1.354,
      "onscreen_delay": 0.365,
      "typing_delay": 0.989,
      "typing_duration": 12.945,
      "wpm": 25,
      "message": "ต่อไป เอา 2 ไปคูณกับ 7"
    },
    {
      "message_id": 691,
      "agent_id": 14,
      "delay": 8.944,
      "onscreen_delay": 6.079,
      "typing_delay": 2.865,
      "typing_duration": 6.807,
      "wpm": 26,
      "message": "2 คูณ 7 เป็น "
    },
    {
      "message_id": 692,
      "agent_id": 16,
      "delay": 4.943,
      "onscreen_delay": 3.657,
      "typing_delay": 1.286,
      "typing_duration": 6.56,
      "wpm": 5,
      "message": "14 "
    },
    {
      "message_id": 693,
      "agent_id": 29,
      "delay": 2.558,
      "onscreen_delay": 1.802,
      "typing_delay": 0.756,
      "typing_duration": 10.917,
      "wpm": 51,
      "message": "2 คูณ 7 เป็น 14 14 บวกกับทด 1 เป็น 15 "
    },
    {
      "message_id": 694,
      "agent_id": 13,
      "delay": 6.917,
      "onscreen_delay": 3.06,
      "typing_delay": 3.857,
      "typing_duration": 6.739,
      "wpm": 22,
      "message": "ใส่ 5 ทด 1 "
    },
    {
      "message_id": 695,
      "agent_id": 14,
      "delay": 4.523,
      "onscreen_delay": 0,
      "typing_delay": 4.523,
      "typing_duration": 4.523,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 696,
      "agent_id": 16,
      "delay": 1.365,
      "onscreen_delay": 0,
      "typing_delay": 1.365,
      "typing_duration": 4.537,
      "wpm": 40,
      "message": "ทด 1 จากนั้น "
    },
    {
      "message_id": 697,
      "agent_id": 29,
      "delay": 0.979,
      "onscreen_delay": 0,
      "typing_delay": 0.979,
      "typing_duration": 9.193,
      "wpm": 44,
      "message": "เอา 2 ไปคูณกับ 3 ตรงนี้นะคะ "
    },
    {
      "message_id": 698,
      "agent_id": 13,
      "delay": 5.189,
      "onscreen_delay": 1.77,
      "typing_delay": 3.419,
      "typing_duration": 7.406,
      "wpm": 28,
      "message": "2 คูณ 3 เป็น 6 "
    },
    {
      "message_id": 699,
      "agent_id": 14,
      "delay": 3.403,
      "onscreen_delay": 1.329,
      "typing_delay": 2.074,
      "typing_duration": 6.165,
      "wpm": 54,
      "message": "6 บวกตัวทดอีก 1 เป็น 7 "
    },
    {
      "message_id": 700,
      "agent_id": 16,
      "delay": 4.599,
      "onscreen_delay": 0,
      "typing_delay": 4.599,
      "typing_duration": 4.599,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 701,
      "agent_id": 29,
      "delay": 1.72,
      "onscreen_delay": 0,
      "typing_delay": 1.72,
      "typing_duration": 10.318,
      "wpm": 39,
      "message": "ตรงนี้เราก็เอา 2 ไปคูณกับ 0 "
    },
    {
      "message_id": 702,
      "agent_id": 13,
      "delay": 6.316,
      "onscreen_delay": 5.934,
      "typing_delay": 0.382,
      "typing_duration": 10.267,
      "wpm": 47,
      "message": "ก็เป็น 0 ใส่จุดทศนิยมลากมาตรงนี้ "
    },
    {
      "message_id": 703,
      "agent_id": 14,
      "delay": 6.265,
      "onscreen_delay": 4.449,
      "typing_delay": 1.816,
      "typing_duration": 4.466,
      "wpm": 24,
      "message": "ได้แล้ว "
    },
    {
      "message_id": 704,
      "agent_id": 16,
      "delay": 4.384,
      "onscreen_delay": 0,
      "typing_delay": 4.384,
      "typing_duration": 4.384,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 705,
      "agent_id": 29,
      "delay": 4.33,
      "onscreen_delay": 0,
      "typing_delay": 4.33,
      "typing_duration": 4.33,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 706,
      "agent_id": 13,
      "delay": 11.354,
      "onscreen_delay": 0,
      "typing_delay": 11.354,
      "typing_duration": 11.354,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 707,
      "agent_id": 14,
      "delay": 7.349,
      "onscreen_delay": 7.132,
      "typing_delay": 0.217,
      "typing_duration": 11.125,
      "wpm": 59,
      "message": "เราจะใช้สัก 4 ตำแหน่งนะคะ พอเราใช้ 4 ตำแหน่ง"
    },
    {
      "message_id": 708,
      "agent_id": 16,
      "delay": 7.124,
      "onscreen_delay": 4.654,
      "typing_delay": 2.47,
      "typing_duration": 7.611,
      "wpm": 34,
      "message": "เดี๋ยวเราทำต่ออีก "
    },
    {
      "message_id": 709,
      "agent_id": 29,
      "delay": 3.61,
      "onscreen_delay": 2.246,
      "typing_delay": 1.364,
      "typing_duration": 5.999,
      "wpm": 60,
      "message": "ทำต่ออีก ก็คูณด้วย 2 อีก "
    },
    {
      "message_id": 710,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 711,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 0.012,
      "typing_delay": 10.988,
      "typing_duration": 10.988,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 712,
      "agent_id": 16,
      "delay": 6.988,
      "onscreen_delay": 3.219,
      "typing_delay": 3.769,
      "typing_duration": 8.777,
      "wpm": 41,
      "message": "ตอนนี้ครูเริ่มคูณเลยนะคะ "
    },
    {
      "message_id": 713,
      "agent_id": 29,
      "delay": 4.774,
      "onscreen_delay": 2.265,
      "typing_delay": 2.509,
      "typing_duration": 8.206,
      "wpm": 13,
      "message": "2 คูณ 0 "
    },
    {
      "message_id": 714,
      "agent_id": 13,
      "delay": 4.203,
      "onscreen_delay": 3.756,
      "typing_delay": 0.447,
      "typing_duration": 4.554,
      "wpm": 20,
      "message": "เป็น 0 "
    },
    {
      "message_id": 715,
      "agent_id": 14,
      "delay": 4.48,
      "onscreen_delay": 0,
      "typing_delay": 4.48,
      "typing_duration": 4.48,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 716,
      "agent_id": 16,
      "delay": 4.169,
      "onscreen_delay": 0,
      "typing_delay": 4.169,
      "typing_duration": 5.626,
      "wpm": 16,
      "message": "เป็น 0"
    },
    {
      "message_id": 717,
      "agent_id": 29,
      "delay": 2.117,
      "onscreen_delay": 0,
      "typing_delay": 2.117,
      "typing_duration": 9.142,
      "wpm": 8,
      "message": "ต่อไป "
    },
    {
      "message_id": 718,
      "agent_id": 13,
      "delay": 5.139,
      "onscreen_delay": 2.581,
      "typing_delay": 2.558,
      "typing_duration": 7.613,
      "wpm": 33,
      "message": "2 คูณ 0 ตัวนี้ ก็"
    },
    {
      "message_id": 719,
      "agent_id": 14,
      "delay": 3.61,
      "onscreen_delay": 2.357,
      "typing_delay": 1.253,
      "typing_duration": 8.369,
      "wpm": 11,
      "message": "เป็น 0 "
    },
    {
      "message_id": 720,
      "agent_id": 16,
      "delay": 4.368,
      "onscreen_delay": 3.345,
      "typing_delay": 1.023,
      "typing_duration": 5.386,
      "wpm": 36,
      "message": "ต่อไป 2 คูณ 5 "
    },
    {
      "message_id": 721,
      "agent_id": 29,
      "delay": 1.382,
      "onscreen_delay": 0.203,
      "typing_delay": 1.179,
      "typing_duration": 7.249,
      "wpm": 31,
      "message": "2 คูณ 5 เป็น 10 "
    },
    {
      "message_id": 722,
      "agent_id": 13,
      "delay": 3.248,
      "onscreen_delay": 3.075,
      "typing_delay": 0.173,
      "typing_duration": 7.369,
      "wpm": 28,
      "message": "ใส่ 0 ทด 1 ใส่ "
    },
    {
      "message_id": 723,
      "agent_id": 14,
      "delay": 3.368,
      "onscreen_delay": 2.948,
      "typing_delay": 0.42,
      "typing_duration": 8.673,
      "wpm": 38,
      "message": "0 ทด 1 เรียบร้อย ต่อไป"
    },
    {
      "message_id": 724,
      "agent_id": 16,
      "delay": 4.671,
      "onscreen_delay": 2.642,
      "typing_delay": 2.029,
      "typing_duration": 5.32,
      "wpm": 45,
      "message": "เอา 2 ไปคูณกับ 7 "
    },
    {
      "message_id": 725,
      "agent_id": 29,
      "delay": 2.023,
      "onscreen_delay": 0,
      "typing_delay": 2.023,
      "typing_duration": 7.408,
      "wpm": 30,
      "message": "2 คูณ 7 เป็น 14 "
    },
    {
      "message_id": 726,
      "agent_id": 13,
      "delay": 3.406,
      "onscreen_delay": 1.904,
      "typing_delay": 1.502,
      "typing_duration": 8.582,
      "wpm": 37,
      "message": "บวกตัวทดอีก 1 เป็น 15 "
    },
    {
      "message_id": 727,
      "agent_id": 14,
      "delay": 4.573,
      "onscreen_delay": 3.392,
      "typing_delay": 1.181,
      "typing_duration": 7.046,
      "wpm": 21,
      "message": "ใส่ 5 ทด 1 "
    },
    {
      "message_id": 728,
      "agent_id": 16,
      "delay": 3.045,
      "onscreen_delay": 0.981,
      "typing_delay": 2.064,
      "typing_duration": 6.697,
      "wpm": 36,
      "message": "คราวนี้เราก็มาดู "
    },
    {
      "message_id": 729,
      "agent_id": 29,
      "delay": 2.694,
      "onscreen_delay": 1.754,
      "typing_delay": 0.94,
      "typing_duration": 8.647,
      "wpm": 40,
      "message": "เอา 2 ไปคูณกับ 0 ตรงนี้ "
    },
    {
      "message_id": 730,
      "agent_id": 13,
      "delay": 4.645,
      "onscreen_delay": 2.821,
      "typing_delay": 1.824,
      "typing_duration": 10.254,
      "wpm": 34,
      "message": "2 คูณ 0 เป็น บวกตัวทด 1 "
    },
    {
      "message_id": 731,
      "agent_id": 14,
      "delay": 6.248,
      "onscreen_delay": 6.019,
      "typing_delay": 0.229,
      "typing_duration": 8.292,
      "wpm": 72,
      "message": "ตัวนี้นะคะ บวกตัวทด 1 ตัวนี้ มีค่าเป็น 1 "
    },
    {
      "message_id": 732,
      "agent_id": 16,
      "delay": 4.292,
      "onscreen_delay": 0.766,
      "typing_delay": 3.526,
      "typing_duration": 6.956,
      "wpm": 28,
      "message": "ทศนิยมลากลงมา "
    },
    {
      "message_id": 733,
      "agent_id": 29,
      "delay": 2.954,
      "onscreen_delay": 1.487,
      "typing_delay": 1.467,
      "typing_duration": 8.973,
      "wpm": 17,
      "message": "ตรงนี้นะคะ "
    },
    {
      "message_id": 734,
      "agent_id": 13,
      "delay": 4.971,
      "onscreen_delay": 3.35,
      "typing_delay": 1.621,
      "typing_duration": 14.6,
      "wpm": 7,
      "message": "ได้แล้ว "
    },
    {
      "message_id": 735,
      "agent_id": 14,
      "delay": 10.596,
      "onscreen_delay": 3.892,
      "typing_delay": 6.704,
      "typing_duration": 6.704,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 736,
      "agent_id": 16,
      "delay": 6.596,
      "onscreen_delay": 0.918,
      "typing_delay": 5.678,
      "typing_duration": 5.678,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 737,
      "agent_id": 29,
      "delay": 2.594,
      "onscreen_delay": 1.348,
      "typing_delay": 1.246,
      "typing_duration": 8.233,
      "wpm": 27,
      "message": "ตอนนี้เราคูณต่อ"
    },
    {
      "message_id": 738,
      "agent_id": 13,
      "delay": 4.233,
      "onscreen_delay": 3.616,
      "typing_delay": 0.617,
      "typing_duration": 15,
      "wpm": 43,
      "message": "อีกสักครั้งหนึ่งนะคะ เราอยากได้คำตอบที่ละเอ"
    },
    {
      "message_id": 739,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.341,
      "typing_delay": 0.658,
      "typing_duration": 6.381,
      "wpm": 49,
      "message": "คูณต่อีกสักครั้งหนึ่ง "
    },
    {
      "message_id": 740,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 741,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 3.802,
      "typing_delay": 7.199,
      "typing_duration": 7.199,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 742,
      "agent_id": 13,
      "delay": 6.998,
      "onscreen_delay": 4.657,
      "typing_delay": 2.341,
      "typing_duration": 8.093,
      "wpm": 48,
      "message": "อันนี้เราจะคูณง่ายขึ้นนะคะ"
    },
    {
      "message_id": 743,
      "agent_id": 14,
      "delay": 4.092,
      "onscreen_delay": 3,
      "typing_delay": 1.092,
      "typing_duration": 12.241,
      "wpm": 36,
      "message": "2 คูณ 0 เป็น 0 2 คูณ 0 เป็น 0 "
    },
    {
      "message_id": 744,
      "agent_id": 16,
      "delay": 8.241,
      "onscreen_delay": 6.45,
      "typing_delay": 1.791,
      "typing_duration": 6.964,
      "wpm": 30,
      "message": "2 คูณ 0 เป็น 0 "
    },
    {
      "message_id": 745,
      "agent_id": 29,
      "delay": 4.24,
      "onscreen_delay": 2.475,
      "typing_delay": 1.765,
      "typing_duration": 4.16,
      "wpm": 14,
      "message": "โอเค "
    },
    {
      "message_id": 746,
      "agent_id": 13,
      "delay": 5.115,
      "onscreen_delay": 0,
      "typing_delay": 5.115,
      "typing_duration": 6.393,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 747,
      "agent_id": 14,
      "delay": 2.391,
      "onscreen_delay": 1.5,
      "typing_delay": 0.891,
      "typing_duration": 8.877,
      "wpm": 51,
      "message": "2 คูณ 0 ตัวที่ 1 ก็เป็น 0 นะคะ "
    },
    {
      "message_id": 748,
      "agent_id": 16,
      "delay": 4.876,
      "onscreen_delay": 1.108,
      "typing_delay": 3.768,
      "typing_duration": 7.379,
      "wpm": 33,
      "message": "2 คูณ 0 ตัวที่ 2 "
    },
    {
      "message_id": 749,
      "agent_id": 29,
      "delay": 3.377,
      "onscreen_delay": 2.983,
      "typing_delay": 0.394,
      "typing_duration": 12.05,
      "wpm": 22,
      "message": "0 2 คูณ 0 ตัวที่ 3 "
    },
    {
      "message_id": 750,
      "agent_id": 13,
      "delay": 8.049,
      "onscreen_delay": 7.635,
      "typing_delay": 0.414,
      "typing_duration": 5.283,
      "wpm": 40,
      "message": "ก็เป็น 0 ต่อไป "
    },
    {
      "message_id": 751,
      "agent_id": 14,
      "delay": 4.047,
      "onscreen_delay": 3.843,
      "typing_delay": 0.204,
      "typing_duration": 7.485,
      "wpm": 62,
      "message": "2 คูณ 5 เป็น 10 2 คูณ 5 เป็น 10 "
    },
    {
      "message_id": 752,
      "agent_id": 16,
      "delay": 3.484,
      "onscreen_delay": 2.421,
      "typing_delay": 1.063,
      "typing_duration": 6.89,
      "wpm": 67,
      "message": "ตรงนี้มีหลักพิเศษอยู่อย่างหนึ่ง "
    },
    {
      "message_id": 753,
      "agent_id": 29,
      "delay": 2.888,
      "onscreen_delay": 1.931,
      "typing_delay": 0.957,
      "typing_duration": 8.3,
      "wpm": 58,
      "message": "จำนวนตรงนี้นี่ 1.5 ที่เรานำมาคูณ "
    },
    {
      "message_id": 754,
      "agent_id": 13,
      "delay": 4.298,
      "onscreen_delay": 3.063,
      "typing_delay": 1.235,
      "typing_duration": 8.843,
      "wpm": 36,
      "message": "ให้เราคูณเฉพาะตัวหลัง"
    },
    {
      "message_id": 755,
      "agent_id": 14,
      "delay": 4.841,
      "onscreen_delay": 4.645,
      "typing_delay": 0.196,
      "typing_duration": 8.062,
      "wpm": 43,
      "message": "ทศนิยม ตัวนี้ไม่ต้องคูณ "
    },
    {
      "message_id": 756,
      "agent_id": 16,
      "delay": 4.061,
      "onscreen_delay": 2.307,
      "typing_delay": 1.754,
      "typing_duration": 8.033,
      "wpm": 63,
      "message": "ตัวนี้นะคะ เหมือนมันเป็นตัวนับแล้ว "
    },
    {
      "message_id": 757,
      "agent_id": 29,
      "delay": 4.031,
      "onscreen_delay": 3.453,
      "typing_delay": 0.578,
      "typing_duration": 8.658,
      "wpm": 81,
      "message": "มันเป็นหน่วยขึ้นมาแล้ว เหมือนเอามันไปพักไว้ในใจ "
    },
    {
      "message_id": 758,
      "agent_id": 13,
      "delay": 4.655,
      "onscreen_delay": 3.792,
      "typing_delay": 0.863,
      "typing_duration": 11.005,
      "wpm": 48,
      "message": "เอามันไปพักไว้เหมือนมันไม่มีค่าอะไร "
    },
    {
      "message_id": 759,
      "agent_id": 14,
      "delay": 6.98,
      "onscreen_delay": 6.722,
      "typing_delay": 0.258,
      "typing_duration": 10.681,
      "wpm": 80,
      "message": "เหมือนไม่มีค่าอะไร เพราะ 1 ตัวนี้เอาไปเที่ยวแล้ว เอาไปพัก "
    },
    {
      "message_id": 760,
      "agent_id": 16,
      "delay": 6.679,
      "onscreen_delay": 4.671,
      "typing_delay": 2.008,
      "typing_duration": 8.447,
      "wpm": 51,
      "message": "โอเค ถ้าแอบไปพัก ตรงนี้เสมือน"
    },
    {
      "message_id": 761,
      "agent_id": 29,
      "delay": 4.447,
      "onscreen_delay": 3.744,
      "typing_delay": 0.703,
      "typing_duration": 9.037,
      "wpm": 75,
      "message": "เป็นเลขอะไรอยู่คะตรงนี้ เดี๋ยวครูเขียนให้นะคะ "
    },
    {
      "message_id": 762,
      "agent_id": 13,
      "delay": 5.036,
      "onscreen_delay": 3.771,
      "typing_delay": 1.265,
      "typing_duration": 12.265,
      "wpm": 51,
      "message": "เสมือน เสมือนว่าเป็นเลข ครูแอบเขียนให้นะคะ "
    },
    {
      "message_id": 763,
      "agent_id": 14,
      "delay": 8.263,
      "onscreen_delay": 6.805,
      "typing_delay": 1.458,
      "typing_duration": 6.225,
      "wpm": 43,
      "message": "เสมือนว่าเป็นเลข 0 "
    },
    {
      "message_id": 764,
      "agent_id": 16,
      "delay": 4.263,
      "onscreen_delay": 2.561,
      "typing_delay": 1.702,
      "typing_duration": 6.68,
      "wpm": 45,
      "message": "อันนี้เป็นหลัก 1 นี่ "
    },
    {
      "message_id": 765,
      "agent_id": 29,
      "delay": 2.679,
      "onscreen_delay": 2.595,
      "typing_delay": 0.084,
      "typing_duration": 8.137,
      "wpm": 46,
      "message": "มันเป็นจำนวนเต็มหน่วยแล้ว "
    },
    {
      "message_id": 766,
      "agent_id": 13,
      "delay": 4.136,
      "onscreen_delay": 3.24,
      "typing_delay": 0.896,
      "typing_duration": 10.468,
      "wpm": 42,
      "message": "เราจะคิดเฉพาะตัวเศษ ตัวเศษนี่ "
    },
    {
      "message_id": 767,
      "agent_id": 14,
      "delay": 6.446,
      "onscreen_delay": 5.247,
      "typing_delay": 1.199,
      "typing_duration": 7.272,
      "wpm": 37,
      "message": "พอเราได้เศษส่วนนี่"
    },
    {
      "message_id": 768,
      "agent_id": 16,
      "delay": 3.27,
      "onscreen_delay": 2.706,
      "typing_delay": 0.564,
      "typing_duration": 9.194,
      "wpm": 57,
      "message": "เราสามารถแปลเป็นทศนิยม ก็คือเลขหลัง"
    },
    {
      "message_id": 769,
      "agent_id": 29,
      "delay": 5.193,
      "onscreen_delay": 4.608,
      "typing_delay": 0.585,
      "typing_duration": 8.325,
      "wpm": 49,
      "message": "จุดทศนิยมนั่นเอง คือ ตัวเศษ "
    },
    {
      "message_id": 770,
      "agent_id": 13,
      "delay": 4.324,
      "onscreen_delay": 3.196,
      "typing_delay": 1.128,
      "typing_duration": 13.809,
      "wpm": 34,
      "message": "ตัวที่เป็นส่วนแล้วนี่ เขาไม่คิด "
    },
    {
      "message_id": 771,
      "agent_id": 14,
      "delay": 9.808,
      "onscreen_delay": 9.439,
      "typing_delay": 0.369,
      "typing_duration": 9.131,
      "wpm": 84,
      "message": "1 ตัวนี้ไปเที่ยวไป เอาไปเที่ยว ให้มันกลายเป็นอะไรคะ "
    },
    {
      "message_id": 772,
      "agent_id": 16,
      "delay": 5.805,
      "onscreen_delay": 4.145,
      "typing_delay": 1.66,
      "typing_duration": 4.742,
      "wpm": 41,
      "message": "เป็น 0 ตอนนี้ "
    },
    {
      "message_id": 773,
      "agent_id": 29,
      "delay": 2.469,
      "onscreen_delay": 0,
      "typing_delay": 2.469,
      "typing_duration": 7.023,
      "wpm": 51,
      "message": "เดี๋ยวครูทำให้ดูใหม่นะคะ "
    },
    {
      "message_id": 774,
      "agent_id": 13,
      "delay": 3.022,
      "onscreen_delay": 0.421,
      "typing_delay": 2.601,
      "typing_duration": 11.382,
      "wpm": 36,
      "message": "2 คูณ 0 ตัวนี้เป็น 0 ตัวนี้ "
    },
    {
      "message_id": 775,
      "agent_id": 14,
      "delay": 7.382,
      "onscreen_delay": 5.537,
      "typing_delay": 1.845,
      "typing_duration": 11.657,
      "wpm": 40,
      "message": "2 คูณ 0 ตัวนี้กลายเป็น 0 ตัวนี้ "
    },
    {
      "message_id": 776,
      "agent_id": 16,
      "delay": 7.655,
      "onscreen_delay": 5.443,
      "typing_delay": 2.212,
      "typing_duration": 5.682,
      "wpm": 48,
      "message": "2 คูณ 5 เป็นอะไรคะ "
    },
    {
      "message_id": 777,
      "agent_id": 29,
      "delay": 3.654,
      "onscreen_delay": 2.784,
      "typing_delay": 0.87,
      "typing_duration": 6.129,
      "wpm": 37,
      "message": "2 คูณ 5 เป็น 10 "
    },
    {
      "message_id": 778,
      "agent_id": 13,
      "delay": 2.124,
      "onscreen_delay": 1.988,
      "typing_delay": 0.136,
      "typing_duration": 4.271,
      "wpm": 35,
      "message": "ก็เลยใส่ 0 "
    },
    {
      "message_id": 779,
      "agent_id": 14,
      "delay": 3.003,
      "onscreen_delay": 0,
      "typing_delay": 3.003,
      "typing_duration": 6.779,
      "wpm": 44,
      "message": "ใส่ 0 แล้วแอบทดไว้ 1 "
    },
    {
      "message_id": 780,
      "agent_id": 16,
      "delay": 2.832,
      "onscreen_delay": 0,
      "typing_delay": 2.832,
      "typing_duration": 8.439,
      "wpm": 52,
      "message": "ทดด้วย 1 ต่อไป ตัวนี้สำคัญมาก"
    },
    {
      "message_id": 781,
      "agent_id": 29,
      "delay": 4.436,
      "onscreen_delay": 3.677,
      "typing_delay": 0.759,
      "typing_duration": 6.354,
      "wpm": 66,
      "message": "นะคะ 2 คูณ กับอะไรตำแหน่งนี้ "
    },
    {
      "message_id": 782,
      "agent_id": 13,
      "delay": 2.354,
      "onscreen_delay": 1.369,
      "typing_delay": 0.985,
      "typing_duration": 12.648,
      "wpm": 53,
      "message": "ตรงนี้ต้องคิดเสมอว่า 1 เป็นจำนวนเต็มหน่วยแล้ว "
    },
    {
      "message_id": 783,
      "agent_id": 14,
      "delay": 8.646,
      "onscreen_delay": 8.14,
      "typing_delay": 0.506,
      "typing_duration": 7.891,
      "wpm": 65,
      "message": "แล้วไปเที่ยวนะคะ แล้วเป็นเลขอะไรคะ "
    },
    {
      "message_id": 784,
      "agent_id": 16,
      "delay": 4.644,
      "onscreen_delay": 4.507,
      "typing_delay": 0.137,
      "typing_duration": 6.445,
      "wpm": 70,
      "message": "เหลือเป็นเลข 0 เสมือนเป็นเลข 0 "
    },
    {
      "message_id": 785,
      "agent_id": 29,
      "delay": 2.445,
      "onscreen_delay": 2.046,
      "typing_delay": 0.399,
      "typing_duration": 9.647,
      "wpm": 42,
      "message": "กลายเป็น 0 แต่บวกกับตัวทด 1 "
    },
    {
      "message_id": 786,
      "agent_id": 13,
      "delay": 5.646,
      "onscreen_delay": 5.317,
      "typing_delay": 0.329,
      "typing_duration": 9.936,
      "wpm": 53,
      "message": "ที่ทดไว้ก่อนหน้านั้น จึงมีค่าเป็น 1 "
    },
    {
      "message_id": 787,
      "agent_id": 14,
      "delay": 5.923,
      "onscreen_delay": 2.776,
      "typing_delay": 3.147,
      "typing_duration": 9.097,
      "wpm": 25,
      "message": "ตรงนี้สำคัญนะคะ "
    },
    {
      "message_id": 788,
      "agent_id": 16,
      "delay": 5.095,
      "onscreen_delay": 3.234,
      "typing_delay": 1.861,
      "typing_duration": 7.394,
      "wpm": 49,
      "message": "ถ้านักศึกษาไปดูหน้าสไลด์ "
    },
    {
      "message_id": 789,
      "agent_id": 29,
      "delay": 3.393,
      "onscreen_delay": 3.057,
      "typing_delay": 0.336,
      "typing_duration": 5.99,
      "wpm": 45,
      "message": "เขาไม่ได้คูณเลขผิด "
    },
    {
      "message_id": 790,
      "agent_id": 13,
      "delay": 1.987,
      "onscreen_delay": 1.643,
      "typing_delay": 0.344,
      "typing_duration": 7.181,
      "wpm": 50,
      "message": "เขาคูณเฉพาะตัวทศนิยมนะคะ "
    },
    {
      "message_id": 791,
      "agent_id": 14,
      "delay": 3.18,
      "onscreen_delay": 2.265,
      "typing_delay": 0.915,
      "typing_duration": 6.851,
      "wpm": 55,
      "message": "ดังนั้น ตัวนี้ก็จะได้เป็น "
    },
    {
      "message_id": 792,
      "agent_id": 16,
      "delay": 2.829,
      "onscreen_delay": 1.649,
      "typing_delay": 1.18,
      "typing_duration": 6.177,
      "wpm": 32,
      "message": "1.0 สไลด์ PDF "
    },
    {
      "message_id": 793,
      "agent_id": 29,
      "delay": 2.175,
      "onscreen_delay": 1.829,
      "typing_delay": 0.346,
      "typing_duration": 15,
      "wpm": 54,
      "message": "คือตัวนี้นะคะ ครูกำลังอธิบาย 1.5 ทำไมคูณ 2 แล้วไม่เป็น "
    },
    {
      "message_id": 794,
      "agent_id": 13,
      "delay": 10.999,
      "onscreen_delay": 10.629,
      "typing_delay": 0.37,
      "typing_duration": 12.979,
      "wpm": 52,
      "message": "ทำไมมันไม่เป็น 3 อาจารย์ ทำไมมันไม่เป็น 3 มัน"
    },
    {
      "message_id": 795,
      "agent_id": 14,
      "delay": 8.977,
      "onscreen_delay": 8.813,
      "typing_delay": 0.164,
      "typing_duration": 10.484,
      "wpm": 40,
      "message": "ไม่ใช่ เพราะว่าใครไปเที่ยวคะ "
    },
    {
      "message_id": 796,
      "agent_id": 16,
      "delay": 6.482,
      "onscreen_delay": 5.319,
      "typing_delay": 1.163,
      "typing_duration": 6.575,
      "wpm": 50,
      "message": "เลข 1 ตัวนี้ไปเที่ยวนะ "
    },
    {
      "message_id": 797,
      "agent_id": 29,
      "delay": 2.574,
      "onscreen_delay": 1.609,
      "typing_delay": 0.965,
      "typing_duration": 8.664,
      "wpm": 78,
      "message": "ไม่เอามาคิด ไม่เอามาคิด เพราะมันเป็นหน่วยแล้ว"
    },
    {
      "message_id": 798,
      "agent_id": 13,
      "delay": 4.661,
      "onscreen_delay": 3.103,
      "typing_delay": 1.558,
      "typing_duration": 9.729,
      "wpm": 40,
      "message": "เสมือนว่าเป็นเลขอะไร เลข 0 "
    },
    {
      "message_id": 799,
      "agent_id": 14,
      "delay": 5.727,
      "onscreen_delay": 5.49,
      "typing_delay": 0.237,
      "typing_duration": 9.063,
      "wpm": 68,
      "message": "ความหมายก็คือเอาเฉพาะตัวทศนิยมมาคูณด้วย 2 "
    },
    {
      "message_id": 800,
      "agent_id": 16,
      "delay": 5.062,
      "onscreen_delay": 3.402,
      "typing_delay": 1.66,
      "typing_duration": 6.194,
      "wpm": 36,
      "message": "จึงได้เป็น 1.00 "
    },
    {
      "message_id": 801,
      "agent_id": 29,
      "delay": 2.177,
      "onscreen_delay": 0.74,
      "typing_delay": 1.437,
      "typing_duration": 12.374,
      "wpm": 51,
      "message": "เป็นทศนิยม 4 ตำแหน่ง เราก็หยุดเพียงเท่านี้"
    },
    {
      "message_id": 802,
      "agent_id": 13,
      "delay": 8.372,
      "onscreen_delay": 7.707,
      "typing_delay": 0.665,
      "typing_duration": 12.715,
      "wpm": 48,
      "message": "นะคะ หยุดแค่นี้ แล้วเวลาแปลงเป็นเลขฐานสอง"
    },
    {
      "message_id": 803,
      "agent_id": 14,
      "delay": 8.714,
      "onscreen_delay": 8.505,
      "typing_delay": 0.209,
      "typing_duration": 5.114,
      "wpm": 91,
      "message": "เราแปลงอย่างไร แปลงอย่างนี้นะคะ "
    },
    {
      "message_id": 804,
      "agent_id": 16,
      "delay": 4.714,
      "onscreen_delay": 0.465,
      "typing_delay": 4.249,
      "typing_duration": 4.249,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 805,
      "agent_id": 29,
      "delay": 2.993,
      "onscreen_delay": 0,
      "typing_delay": 2.993,
      "typing_duration": 7.03,
      "wpm": 19,
      "message": "เอาตัวเลข"
    },
    {
      "message_id": 806,
      "agent_id": 13,
      "delay": 3.028,
      "onscreen_delay": 2.638,
      "typing_delay": 0.39,
      "typing_duration": 6.751,
      "wpm": 62,
      "message": "ที่อยู่หน้าทศนิยม คือ ตัวนี้ "
    },
    {
      "message_id": 807,
      "agent_id": 14,
      "delay": 2.751,
      "onscreen_delay": 2.248,
      "typing_delay": 0.503,
      "typing_duration": 11.41,
      "wpm": 64,
      "message": "ตัวนี้ไม่เอานะคะ เพราะตัวนี้เป็นโจทย์ยังไม่ได้คิด "
    },
    {
      "message_id": 808,
      "agent_id": 16,
      "delay": 7.409,
      "onscreen_delay": 5.625,
      "typing_delay": 1.784,
      "typing_duration": 7.374,
      "wpm": 59,
      "message": "เขาเอาบรรทัดที่ 2 ที่เริ่มคิด"
    },
    {
      "message_id": 809,
      "agent_id": 29,
      "delay": 6.064,
      "onscreen_delay": 0,
      "typing_delay": 6.064,
      "typing_duration": 14.273,
      "wpm": 9,
      "message": "มีเลขอะไร "
    },
    {
      "message_id": 810,
      "agent_id": 13,
      "delay": 10.272,
      "onscreen_delay": 8.199,
      "typing_delay": 2.073,
      "typing_duration": 5.494,
      "wpm": 35,
      "message": "มีเลขอะไรบ้าง "
    },
    {
      "message_id": 811,
      "agent_id": 14,
      "delay": 6.27,
      "onscreen_delay": 5.849,
      "typing_delay": 0.421,
      "typing_duration": 4.722,
      "wpm": 79,
      "message": "มีเลขเขียนจากบนลงล่างนะคะ "
    },
    {
      "message_id": 812,
      "agent_id": 16,
      "delay": 4.356,
      "onscreen_delay": 0,
      "typing_delay": 4.356,
      "typing_duration": 4.356,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 813,
      "agent_id": 29,
      "delay": 0.778,
      "onscreen_delay": 0,
      "typing_delay": 0.778,
      "typing_duration": 5.221,
      "wpm": 57,
      "message": "ดังนั้นเราก็จะได้ว่า"
    },
    {
      "message_id": 814,
      "agent_id": 13,
      "delay": 3.432,
      "onscreen_delay": 0,
      "typing_delay": 3.432,
      "typing_duration": 6.631,
      "wpm": 2,
      "message": "0"
    },
    {
      "message_id": 815,
      "agent_id": 14,
      "delay": 2.629,
      "onscreen_delay": 2.072,
      "typing_delay": 0.557,
      "typing_duration": 7.227,
      "wpm": 4,
      "message": ".1"
    },
    {
      "message_id": 816,
      "agent_id": 16,
      "delay": 3.226,
      "onscreen_delay": 1.704,
      "typing_delay": 1.522,
      "typing_duration": 7.425,
      "wpm": 46,
      "message": "875 หาร 10 มีค่าเท่ากับ "
    },
    {
      "message_id": 817,
      "agent_id": 29,
      "delay": 3.423,
      "onscreen_delay": 2.336,
      "typing_delay": 1.087,
      "typing_duration": 6.136,
      "wpm": 56,
      "message": "ต้องเริ่มเป็นทศนิยมนะคะ "
    },
    {
      "message_id": 818,
      "agent_id": 13,
      "delay": 2.134,
      "onscreen_delay": 1.147,
      "typing_delay": 0.987,
      "typing_duration": 4.095,
      "wpm": 15,
      "message": "0... "
    },
    {
      "message_id": 819,
      "agent_id": 14,
      "delay": 1.292,
      "onscreen_delay": 0,
      "typing_delay": 1.292,
      "typing_duration": 12.611,
      "wpm": 32,
      "message": "0. ตัวแรกเอามาจากอันนี้นะคะ "
    },
    {
      "message_id": 820,
      "agent_id": 16,
      "delay": 8.61,
      "onscreen_delay": 7.008,
      "typing_delay": 1.602,
      "typing_duration": 5.84,
      "wpm": 80,
      "message": "0 ตัวแรกตัวนี้ เอามาเขียนตรงนี้"
    },
    {
      "message_id": 821,
      "agent_id": 29,
      "delay": 4.607,
      "onscreen_delay": 0.345,
      "typing_delay": 4.262,
      "typing_duration": 4.262,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 822,
      "agent_id": 13,
      "delay": 4.858,
      "onscreen_delay": 0,
      "typing_delay": 4.858,
      "typing_duration": 6.383,
      "wpm": 12,
      "message": "ต่อไป "
    },
    {
      "message_id": 823,
      "agent_id": 14,
      "delay": 2.382,
      "onscreen_delay": 1.966,
      "typing_delay": 0.416,
      "typing_duration": 6.546,
      "wpm": 82,
      "message": "0 ตัวที่ 2 ตัวนี้เอามาเขียนต่อตรงนี้ "
    },
    {
      "message_id": 824,
      "agent_id": 16,
      "delay": 4.295,
      "onscreen_delay": 0,
      "typing_delay": 4.295,
      "typing_duration": 4.295,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 825,
      "agent_id": 29,
      "delay": 3.056,
      "onscreen_delay": 0,
      "typing_delay": 3.056,
      "typing_duration": 13.158,
      "wpm": 13,
      "message": "ต่อไปทศนิยม "
    },
    {
      "message_id": 826,
      "agent_id": 13,
      "delay": 9.156,
      "onscreen_delay": 8.241,
      "typing_delay": 0.915,
      "typing_duration": 14.475,
      "wpm": 31,
      "message": "ต่อไปล่างทศนิยมนะคะ ล่างทศนิยม "
    },
    {
      "message_id": 827,
      "agent_id": 14,
      "delay": 10.457,
      "onscreen_delay": 9.36,
      "typing_delay": 1.097,
      "typing_duration": 9.735,
      "wpm": 45,
      "message": "เป็นเลข 1 เห็นไหมคะ เป็นเลข 1 "
    },
    {
      "message_id": 828,
      "agent_id": 16,
      "delay": 6.456,
      "onscreen_delay": 5.761,
      "typing_delay": 0.695,
      "typing_duration": 4.209,
      "wpm": 46,
      "message": "เอา 1 มาเขียน "
    },
    {
      "message_id": 829,
      "agent_id": 29,
      "delay": 6.169,
      "onscreen_delay": 0,
      "typing_delay": 6.169,
      "typing_duration": 6.169,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 830,
      "agent_id": 13,
      "delay": 2.168,
      "onscreen_delay": 0.285,
      "typing_delay": 1.883,
      "typing_duration": 11.978,
      "wpm": 58,
      "message": "ถัดไป ตัวสุดท้าย ที่เราหาความละเอียด 4 ตำแหน่ง "
    },
    {
      "message_id": 831,
      "agent_id": 14,
      "delay": 7.977,
      "onscreen_delay": 6.966,
      "typing_delay": 1.011,
      "typing_duration": 8.523,
      "wpm": 53,
      "message": "เราหยุดแค่นี้ถามว่าทำต่อได้ไหม "
    },
    {
      "message_id": 832,
      "agent_id": 16,
      "delay": 4.522,
      "onscreen_delay": 3.957,
      "typing_delay": 0.565,
      "typing_duration": 5.9,
      "wpm": 71,
      "message": "ได้ ถ้าเราขยันและมีเวลามากพอ "
    },
    {
      "message_id": 833,
      "agent_id": 29,
      "delay": 1.894,
      "onscreen_delay": 1.332,
      "typing_delay": 0.562,
      "typing_duration": 8.196,
      "wpm": 75,
      "message": "คำตอบยิ่งเข้าใกล้ค่าที่แท้จริงมากเท่านั้น "
    },
    {
      "message_id": 834,
      "agent_id": 13,
      "delay": 4.192,
      "onscreen_delay": 3.207,
      "typing_delay": 0.985,
      "typing_duration": 13.809,
      "wpm": 38,
      "message": "ประมาณการนะคะ เราเอาแค่ 4 ตำแหน่งพอ "
    },
    {
      "message_id": 835,
      "agent_id": 14,
      "delay": 9.808,
      "onscreen_delay": 9.289,
      "typing_delay": 0.519,
      "typing_duration": 9.122,
      "wpm": 38,
      "message": "สุดท้ายเป็นเลข 1 ตรงนี้  "
    },
    {
      "message_id": 836,
      "agent_id": 16,
      "delay": 5.805,
      "onscreen_delay": 1.887,
      "typing_delay": 3.918,
      "typing_duration": 6.828,
      "wpm": 24,
      "message": "ก็เป็นเลข 1 "
    },
    {
      "message_id": 837,
      "agent_id": 29,
      "delay": 2.826,
      "onscreen_delay": 1.697,
      "typing_delay": 1.129,
      "typing_duration": 5.428,
      "wpm": 66,
      "message": "พอแล้วเอาแค่นี้ เราก็ใส่"
    },
    {
      "message_id": 838,
      "agent_id": 13,
      "delay": 3.621,
      "onscreen_delay": 0,
      "typing_delay": 3.621,
      "typing_duration": 6.008,
      "wpm": 20,
      "message": "ห้อยด้วย "
    },
    {
      "message_id": 839,
      "agent_id": 14,
      "delay": 2.006,
      "onscreen_delay": 0.224,
      "typing_delay": 1.782,
      "typing_duration": 8.989,
      "wpm": 2,
      "message": "2 "
    },
    {
      "message_id": 840,
      "agent_id": 16,
      "delay": 4.986,
      "onscreen_delay": 3.635,
      "typing_delay": 1.351,
      "typing_duration": 7.729,
      "wpm": 54,
      "message": "อันนี้คือการแปลงทศนิยมฐาน 10 "
    },
    {
      "message_id": 841,
      "agent_id": 29,
      "delay": 3.727,
      "onscreen_delay": 3.511,
      "typing_delay": 0.216,
      "typing_duration": 8.685,
      "wpm": 35,
      "message": "ให้เป็นเลขฐานสองนะคะ "
    },
    {
      "message_id": 842,
      "agent_id": 13,
      "delay": 4.684,
      "onscreen_delay": 3.307,
      "typing_delay": 1.377,
      "typing_duration": 9.106,
      "wpm": 38,
      "message": "ใช้หลักการคูณ คูณด้วย 2 "
    },
    {
      "message_id": 843,
      "agent_id": 14,
      "delay": 5.104,
      "onscreen_delay": 4.933,
      "typing_delay": 0.171,
      "typing_duration": 7.018,
      "wpm": 32,
      "message": "ไปเรื่อย ๆ โอเค "
    },
    {
      "message_id": 844,
      "agent_id": 16,
      "delay": 4.576,
      "onscreen_delay": 0,
      "typing_delay": 4.576,
      "typing_duration": 4.576,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 845,
      "agent_id": 29,
      "delay": 4.854,
      "onscreen_delay": 0,
      "typing_delay": 4.854,
      "typing_duration": 4.854,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 846,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 847,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 848,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 849,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 850,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 851,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 852,
      "agent_id": 16,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 853,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 854,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 855,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 856,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 857,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 858,
      "agent_id": 13,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 859,
      "agent_id": 14,
      "delay": 11.002,
      "onscreen_delay": 1.738,
      "typing_delay": 9.264,
      "typing_duration": 9.264,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 860,
      "agent_id": 16,
      "delay": 7,
      "onscreen_delay": 1.932,
      "typing_delay": 5.068,
      "typing_duration": 7.154,
      "wpm": 8,
      "message": "โอเค"
    },
    {
      "message_id": 861,
      "agent_id": 29,
      "delay": 3.152,
      "onscreen_delay": 2.276,
      "typing_delay": 0.876,
      "typing_duration": 4.691,
      "wpm": 51,
      "message": "ไปได้หรือยังเอ่ย "
    },
    {
      "message_id": 862,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 863,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 6.297,
      "typing_delay": 4.701,
      "typing_duration": 14.787,
      "wpm": 3,
      "message": "อ๋อ "
    },
    {
      "message_id": 864,
      "agent_id": 16,
      "delay": 10.785,
      "onscreen_delay": 9.492,
      "typing_delay": 1.293,
      "typing_duration": 10.417,
      "wpm": 72,
      "message": "เดชาพล (ล่าม) ไปได้ค่ะ อาจารย์ (อาจารย์ชนัญกาญจน์) "
    },
    {
      "message_id": 865,
      "agent_id": 29,
      "delay": 6.782,
      "onscreen_delay": 6.373,
      "typing_delay": 0.409,
      "typing_duration": 7.807,
      "wpm": 42,
      "message": "ในสไลด์เป็นรูปข้างล่าง "
    },
    {
      "message_id": 866,
      "agent_id": 13,
      "delay": 3.807,
      "onscreen_delay": 2.978,
      "typing_delay": 0.829,
      "typing_duration": 9.732,
      "wpm": 68,
      "message": "เป็นความ... เขาเรียกว่าอย่างไร เป็นการออกแบบ"
    },
    {
      "message_id": 867,
      "agent_id": 14,
      "delay": 5.731,
      "onscreen_delay": 5.333,
      "typing_delay": 0.398,
      "typing_duration": 9.961,
      "wpm": 56,
      "message": "ของครูเองค่ะ คือ จะให้นักศึกษาเห็นภาพ"
    },
    {
      "message_id": 868,
      "agent_id": 16,
      "delay": 5.96,
      "onscreen_delay": 4.807,
      "typing_delay": 1.153,
      "typing_duration": 7.57,
      "wpm": 67,
      "message": "แล้วก็อธิบายในห้อง อาจจะมีข้อจำกัด"
    },
    {
      "message_id": 869,
      "agent_id": 29,
      "delay": 3.569,
      "onscreen_delay": 3.151,
      "typing_delay": 0.418,
      "typing_duration": 14.837,
      "wpm": 35,
      "message": "ในบางอย่างนะคะ ดังนั้นขอให้นักศึกษา"
    },
    {
      "message_id": 870,
      "agent_id": 13,
      "delay": 10.835,
      "onscreen_delay": 8.505,
      "typing_delay": 2.33,
      "typing_duration": 8.161,
      "wpm": 51,
      "message": "ฟังที่ครูอธิบาย แล้วก็พยายาม"
    },
    {
      "message_id": 871,
      "agent_id": 14,
      "delay": 6.833,
      "onscreen_delay": 5.57,
      "typing_delay": 1.263,
      "typing_duration": 12.552,
      "wpm": 49,
      "message": "สื่อสารกันนะคะ ครูก็เต็มที่ (นักศึกษาชาย) "
    },
    {
      "message_id": 872,
      "agent_id": 16,
      "delay": 8.55,
      "onscreen_delay": 5.603,
      "typing_delay": 2.947,
      "typing_duration": 7.941,
      "wpm": 25,
      "message": "พอได้อยู่ครับ "
    },
    {
      "message_id": 873,
      "agent_id": 29,
      "delay": 4.55,
      "onscreen_delay": 4.18,
      "typing_delay": 0.37,
      "typing_duration": 8.858,
      "wpm": 69,
      "message": "มันเป็น... (นักศึกษาชาย) พอเข้าใจอยู่ครับ "
    },
    {
      "message_id": 874,
      "agent_id": 13,
      "delay": 4.854,
      "onscreen_delay": 3.146,
      "typing_delay": 1.708,
      "typing_duration": 8.278,
      "wpm": 45,
      "message": "พยายามนะคะ แต่ครูก็พยายาม"
    },
    {
      "message_id": 875,
      "agent_id": 14,
      "delay": 4.278,
      "onscreen_delay": 4.102,
      "typing_delay": 0.176,
      "typing_duration": 7.756,
      "wpm": 44,
      "message": "พูดช้า ๆ ให้ชัด ๆ ต่อไป"
    },
    {
      "message_id": 876,
      "agent_id": 16,
      "delay": 3.755,
      "onscreen_delay": 3.112,
      "typing_delay": 0.643,
      "typing_duration": 5.432,
      "wpm": 77,
      "message": "เป็นเรื่องที่ประยุกต์มากขึ้น "
    },
    {
      "message_id": 877,
      "agent_id": 29,
      "delay": 1.456,
      "onscreen_delay": 0,
      "typing_delay": 1.456,
      "typing_duration": 5.277,
      "wpm": 40,
      "message": "เป็นรูปแบบ ... "
    },
    {
      "message_id": 878,
      "agent_id": 13,
      "delay": 3.338,
      "onscreen_delay": 0,
      "typing_delay": 3.338,
      "typing_duration": 13.562,
      "wpm": 38,
      "message": "ถ้าเป็นจำนวนจริงใด ๆ ล่ะ เราจะแปลง"
    },
    {
      "message_id": 879,
      "agent_id": 14,
      "delay": 9.561,
      "onscreen_delay": 6.817,
      "typing_delay": 2.744,
      "typing_duration": 7.304,
      "wpm": 31,
      "message": "ไปหาร 2 อย่างไร "
    },
    {
      "message_id": 880,
      "agent_id": 16,
      "delay": 5.557,
      "onscreen_delay": 2.699,
      "typing_delay": 2.858,
      "typing_duration": 7.39,
      "wpm": 51,
      "message": "เดี๋ยวครูไปสไลด์หน้าที่ 7 "
    },
    {
      "message_id": 881,
      "agent_id": 29,
      "delay": 3.389,
      "onscreen_delay": 2.543,
      "typing_delay": 0.846,
      "typing_duration": 7.074,
      "wpm": 51,
      "message": "นักศึกษาดูสไลด์หน้าที่ 7 "
    },
    {
      "message_id": 882,
      "agent_id": 13,
      "delay": 3.073,
      "onscreen_delay": 2.836,
      "typing_delay": 0.237,
      "typing_duration": 14.43,
      "wpm": 58,
      "message": "แล้วเราจะพักนิดหนึ่ง แล้วเราจะมาเรียนฐานแปด สำหรับวันนี้ "
    },
    {
      "message_id": 883,
      "agent_id": 14,
      "delay": 10.429,
      "onscreen_delay": 9.174,
      "typing_delay": 1.255,
      "typing_duration": 12.848,
      "wpm": 36,
      "message": "ฐานสิบ, ฐานสอง, ฐานแปด แค่นี้พอ "
    },
    {
      "message_id": 884,
      "agent_id": 16,
      "delay": 8.847,
      "onscreen_delay": 7.636,
      "typing_delay": 1.211,
      "typing_duration": 7.528,
      "wpm": 66,
      "message": "เดี๋ยวจบตัวอย่างนี้เราค่อยพักนะคะ "
    },
    {
      "message_id": 885,
      "agent_id": 29,
      "delay": 4.845,
      "onscreen_delay": 1.392,
      "typing_delay": 3.453,
      "typing_duration": 9.093,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 886,
      "agent_id": 13,
      "delay": 5.092,
      "onscreen_delay": 4.76,
      "typing_delay": 0.332,
      "typing_duration": 15.001,
      "wpm": 50,
      "message": "ไปหน้าที่ 7 นะคะ หน้าที่ 7 ครูจะขอยกตัวอย่างในสลไโ"
    },
    {
      "message_id": 887,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.574,
      "typing_delay": 0.425,
      "typing_duration": 8.129,
      "wpm": 52,
      "message": "PowerPoint ที่ครูสอน หรือว่า"
    },
    {
      "message_id": 888,
      "agent_id": 16,
      "delay": 6.999,
      "onscreen_delay": 4.027,
      "typing_delay": 2.972,
      "typing_duration": 7.135,
      "wpm": 59,
      "message": "เขามีจำนวนมากให้คือจำนวนใด ๆ "
    },
    {
      "message_id": 889,
      "agent_id": 29,
      "delay": 3.13,
      "onscreen_delay": 2.357,
      "typing_delay": 0.773,
      "typing_duration": 7.949,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 890,
      "agent_id": 13,
      "delay": 3.947,
      "onscreen_delay": 3.336,
      "typing_delay": 0.611,
      "typing_duration": 6.41,
      "wpm": 23,
      "message": "จำนวน 159."
    },
    {
      "message_id": 891,
      "agent_id": 14,
      "delay": 2.41,
      "onscreen_delay": 1.734,
      "typing_delay": 0.676,
      "typing_duration": 9.051,
      "wpm": 18,
      "message": "5720 ฐาน 10 "
    },
    {
      "message_id": 892,
      "agent_id": 16,
      "delay": 5.05,
      "onscreen_delay": 2.09,
      "typing_delay": 2.96,
      "typing_duration": 5.598,
      "wpm": 19,
      "message": "ให้แปลง "
    },
    {
      "message_id": 893,
      "agent_id": 29,
      "delay": 1.596,
      "onscreen_delay": 0.287,
      "typing_delay": 1.309,
      "typing_duration": 5.803,
      "wpm": 34,
      "message": "เป็นเลขฐานสอง "
    },
    {
      "message_id": 894,
      "agent_id": 13,
      "delay": 3.753,
      "onscreen_delay": 0,
      "typing_delay": 3.753,
      "typing_duration": 9.886,
      "wpm": 23,
      "message": "ถ้าอย่างนี้นะคะ "
    },
    {
      "message_id": 895,
      "agent_id": 14,
      "delay": 5.884,
      "onscreen_delay": 4.275,
      "typing_delay": 1.609,
      "typing_duration": 11.569,
      "wpm": 61,
      "message": "ถ้าเป็นจำนวนใด ๆ นี่ ถ้าเป็นจำนวนเต็มหรือทศนิยม"
    },
    {
      "message_id": 896,
      "agent_id": 16,
      "delay": 7.567,
      "onscreen_delay": 6.06,
      "typing_delay": 1.507,
      "typing_duration": 5.091,
      "wpm": 44,
      "message": "ให้แยกออกจากกัน"
    },
    {
      "message_id": 897,
      "agent_id": 29,
      "delay": 3.566,
      "onscreen_delay": 3.036,
      "typing_delay": 0.53,
      "typing_duration": 7.83,
      "wpm": 11,
      "message": "แยกกัน"
    },
    {
      "message_id": 898,
      "agent_id": 13,
      "delay": 3.83,
      "onscreen_delay": 2.969,
      "typing_delay": 0.861,
      "typing_duration": 4.608,
      "wpm": 62,
      "message": "ก็เลยเป็นแบบนี้นะคะ "
    },
    {
      "message_id": 899,
      "agent_id": 14,
      "delay": 0.604,
      "onscreen_delay": 0.294,
      "typing_delay": 0.31,
      "typing_duration": 8.825,
      "wpm": 14,
      "message": "159.5720 "
    },
    {
      "message_id": 900,
      "agent_id": 16,
      "delay": 4.823,
      "onscreen_delay": 3.409,
      "typing_delay": 1.414,
      "typing_duration": 7.75,
      "wpm": 64,
      "message": "เลขฐาน 10 จะเก็บก็ได้ไม่เก็บก็ได้"
    },
    {
      "message_id": 901,
      "agent_id": 29,
      "delay": 3.747,
      "onscreen_delay": 2.484,
      "typing_delay": 1.263,
      "typing_duration": 11.722,
      "wpm": 22,
      "message": "159 หาร 10 แล้วก็"
    },
    {
      "message_id": 902,
      "agent_id": 13,
      "delay": 7.721,
      "onscreen_delay": 7.607,
      "typing_delay": 0.114,
      "typing_duration": 11.766,
      "wpm": 47,
      "message": "บวกกับอีกส่วนหนึ่งที่เป็นทศนิยม ก็คือ "
    },
    {
      "message_id": 903,
      "agent_id": 14,
      "delay": 7.764,
      "onscreen_delay": 7.463,
      "typing_delay": 0.301,
      "typing_duration": 7.722,
      "wpm": 54,
      "message": "0.572 ครูเขียนแค่นี้ก็พอนะคะ "
    },
    {
      "message_id": 904,
      "agent_id": 16,
      "delay": 3.762,
      "onscreen_delay": 1.984,
      "typing_delay": 1.778,
      "typing_duration": 9.347,
      "wpm": 43,
      "message": "ครูไม่อยากเอา 0 มาก็ได้นะคะ "
    },
    {
      "message_id": 905,
      "agent_id": 29,
      "delay": 5.346,
      "onscreen_delay": 1.002,
      "typing_delay": 4.344,
      "typing_duration": 4.344,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 906,
      "agent_id": 13,
      "delay": 5.114,
      "onscreen_delay": 0,
      "typing_delay": 5.114,
      "typing_duration": 11.598,
      "wpm": 28,
      "message": "0 ครูไม่เขียนก็ได้นะคะ "
    },
    {
      "message_id": 907,
      "agent_id": 14,
      "delay": 7.597,
      "onscreen_delay": 7.114,
      "typing_delay": 0.483,
      "typing_duration": 8.321,
      "wpm": 52,
      "message": "ไม่เขียนก็ได้นะคะ ครูไม่เขียน "
    },
    {
      "message_id": 908,
      "agent_id": 16,
      "delay": 4.319,
      "onscreen_delay": 2.364,
      "typing_delay": 1.955,
      "typing_duration": 5.189,
      "wpm": 46,
      "message": "เพราะ 0 ไม่มีค่า "
    },
    {
      "message_id": 909,
      "agent_id": 29,
      "delay": 1.188,
      "onscreen_delay": 0.262,
      "typing_delay": 0.926,
      "typing_duration": 5.504,
      "wpm": 11,
      "message": "โอเค"
    },
    {
      "message_id": 910,
      "agent_id": 13,
      "delay": 4.446,
      "onscreen_delay": 0,
      "typing_delay": 4.446,
      "typing_duration": 4.446,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 911,
      "agent_id": 14,
      "delay": 2.079,
      "onscreen_delay": 0,
      "typing_delay": 2.079,
      "typing_duration": 6.594,
      "wpm": 25,
      "message": "ครูเขียนผิด "
    },
    {
      "message_id": 912,
      "agent_id": 16,
      "delay": 3.523,
      "onscreen_delay": 0,
      "typing_delay": 3.523,
      "typing_duration": 5.587,
      "wpm": 24,
      "message": "โอเคไหมคะ "
    },
    {
      "message_id": 913,
      "agent_id": 29,
      "delay": 1.585,
      "onscreen_delay": 1.038,
      "typing_delay": 0.547,
      "typing_duration": 7.011,
      "wpm": 41,
      "message": "จำนวนใด ๆ จำนวนจริง "
    },
    {
      "message_id": 914,
      "agent_id": 13,
      "delay": 3.01,
      "onscreen_delay": 2.259,
      "typing_delay": 0.751,
      "typing_duration": 8.236,
      "wpm": 40,
      "message": "159.572 เท่ากับ ตัวนี้ "
    },
    {
      "message_id": 915,
      "agent_id": 14,
      "delay": 4.234,
      "onscreen_delay": 4.017,
      "typing_delay": 0.217,
      "typing_duration": 8.297,
      "wpm": 72,
      "message": "คือ จำนวนเต็มบวกทศนิยม ให้แปลงเป็นฐานสอง "
    },
    {
      "message_id": 916,
      "agent_id": 16,
      "delay": 4.296,
      "onscreen_delay": 2.757,
      "typing_delay": 1.539,
      "typing_duration": 8.841,
      "wpm": 59,
      "message": "งั้นเราเอาทั้ง 2 ส่วนนี้มาแปลงฐาน 2 "
    },
    {
      "message_id": 917,
      "agent_id": 29,
      "delay": 4.84,
      "onscreen_delay": 4.019,
      "typing_delay": 0.821,
      "typing_duration": 10.235,
      "wpm": 40,
      "message": "เก็บคำตอบไว้ แล้วเอาส่วนนี้"
    },
    {
      "message_id": 918,
      "agent_id": 13,
      "delay": 6.234,
      "onscreen_delay": 5.87,
      "typing_delay": 0.364,
      "typing_duration": 15,
      "wpm": 54,
      "message": "มาแปลงฐาน 2 เก็บคำตอบไว้ เอาคำตอบครั้งที่ 1 ครั้งที่ 2 "
    },
    {
      "message_id": 919,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.779,
      "typing_delay": 0.22,
      "typing_duration": 8.725,
      "wpm": 55,
      "message": "มารวมกันนะคะ เราเริ่มส่วนแรกก่อน "
    },
    {
      "message_id": 920,
      "agent_id": 16,
      "delay": 6.999,
      "onscreen_delay": 6.248,
      "typing_delay": 0.751,
      "typing_duration": 6.363,
      "wpm": 80,
      "message": "ส่วนนี้นะคะ ตรงนี้ถ้าเป็นจำนวนเต็ม "
    },
    {
      "message_id": 921,
      "agent_id": 29,
      "delay": 2.998,
      "onscreen_delay": 2.374,
      "typing_delay": 0.624,
      "typing_duration": 6.952,
      "wpm": 35,
      "message": "แล้วใช้การหารยาว "
    },
    {
      "message_id": 922,
      "agent_id": 13,
      "delay": 2.95,
      "onscreen_delay": 2.538,
      "typing_delay": 0.412,
      "typing_duration": 6.439,
      "wpm": 70,
      "message": "มาเริ่มเลยนะคะ มา... ตรงนี้เลย "
    },
    {
      "message_id": 923,
      "agent_id": 14,
      "delay": 2.438,
      "onscreen_delay": 1.804,
      "typing_delay": 0.634,
      "typing_duration": 8.757,
      "wpm": 5,
      "message": "159 "
    },
    {
      "message_id": 924,
      "agent_id": 16,
      "delay": 4.723,
      "onscreen_delay": 2.942,
      "typing_delay": 1.781,
      "typing_duration": 7.003,
      "wpm": 19,
      "message": "ฐาน 2 159 "
    },
    {
      "message_id": 925,
      "agent_id": 29,
      "delay": 2.997,
      "onscreen_delay": 2.485,
      "typing_delay": 0.512,
      "typing_duration": 7.673,
      "wpm": 22,
      "message": "หาร 2 นี่ก็"
    },
    {
      "message_id": 926,
      "agent_id": 13,
      "delay": 3.671,
      "onscreen_delay": 3.353,
      "typing_delay": 0.318,
      "typing_duration": 7.188,
      "wpm": 56,
      "message": "คือ เท่าไรคะ แอบคิดนะคะ 159 "
    },
    {
      "message_id": 927,
      "agent_id": 14,
      "delay": 3.187,
      "onscreen_delay": 2.967,
      "typing_delay": 0.22,
      "typing_duration": 7.175,
      "wpm": 54,
      "message": "หารด้วย 2 ก็เท่ากับ 2 7 14 "
    },
    {
      "message_id": 928,
      "agent_id": 16,
      "delay": 3.174,
      "onscreen_delay": 2.417,
      "typing_delay": 0.757,
      "typing_duration": 4.836,
      "wpm": 25,
      "message": "ใช่ไหมคะ "
    },
    {
      "message_id": 929,
      "agent_id": 29,
      "delay": 4.609,
      "onscreen_delay": 0,
      "typing_delay": 4.609,
      "typing_duration": 6.902,
      "wpm": 20,
      "message": "เดี๋ยวครู "
    },
    {
      "message_id": 930,
      "agent_id": 13,
      "delay": 8.617,
      "onscreen_delay": 0,
      "typing_delay": 8.617,
      "typing_duration": 8.617,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 931,
      "agent_id": 14,
      "delay": 4.614,
      "onscreen_delay": 1.354,
      "typing_delay": 3.26,
      "typing_duration": 8.148,
      "wpm": 22,
      "message": "2 7 14 เศษ 1 "
    },
    {
      "message_id": 932,
      "agent_id": 16,
      "delay": 4.146,
      "onscreen_delay": 3.233,
      "typing_delay": 0.913,
      "typing_duration": 7.967,
      "wpm": 30,
      "message": "ก็เป็น 19 2 9 18 "
    },
    {
      "message_id": 933,
      "agent_id": 29,
      "delay": 4.672,
      "onscreen_delay": 0,
      "typing_delay": 4.672,
      "typing_duration": 4.672,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 934,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 935,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 5.426,
      "typing_delay": 5.572,
      "typing_duration": 5.572,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 936,
      "agent_id": 16,
      "delay": 6.996,
      "onscreen_delay": 5.446,
      "typing_delay": 1.55,
      "typing_duration": 7.642,
      "wpm": 63,
      "message": "ตรงนี้ครูหารให้ดู นักศึกษาโอเคนะ "
    },
    {
      "message_id": 937,
      "agent_id": 29,
      "delay": 3.641,
      "onscreen_delay": 2.577,
      "typing_delay": 1.064,
      "typing_duration": 8.661,
      "wpm": 52,
      "message": "ถ้าเกิดตั้งหารธรรมดาใช่ไหม 159 "
    },
    {
      "message_id": 938,
      "agent_id": 13,
      "delay": 4.661,
      "onscreen_delay": 3.546,
      "typing_delay": 1.115,
      "typing_duration": 6.509,
      "wpm": 28,
      "message": "หาร 2 2 อะไร"
    },
    {
      "message_id": 939,
      "agent_id": 14,
      "delay": 2.506,
      "onscreen_delay": 2.311,
      "typing_delay": 0.195,
      "typing_duration": 11.8,
      "wpm": 52,
      "message": "เป็น 1 ไม่ได้ 1 มันน้อย 2 อะไรเป็น 15 2 7 "
    },
    {
      "message_id": 940,
      "agent_id": 16,
      "delay": 7.799,
      "onscreen_delay": 7.242,
      "typing_delay": 0.557,
      "typing_duration": 11.238,
      "wpm": 41,
      "message": "เป็น 14 ลบลงมา 15 ลบ 14 เหลือ 1 "
    },
    {
      "message_id": 941,
      "agent_id": 29,
      "delay": 7.235,
      "onscreen_delay": 5.858,
      "typing_delay": 1.377,
      "typing_duration": 8.343,
      "wpm": 22,
      "message": "ชัก 9 ลงมา 2 "
    },
    {
      "message_id": 942,
      "agent_id": 13,
      "delay": 4.628,
      "onscreen_delay": 0,
      "typing_delay": 4.628,
      "typing_duration": 10.72,
      "wpm": 7,
      "message": "2 1 2 "
    },
    {
      "message_id": 943,
      "agent_id": 14,
      "delay": 6.718,
      "onscreen_delay": 5.465,
      "typing_delay": 1.253,
      "typing_duration": 11.033,
      "wpm": 8,
      "message": "2 8 16 "
    },
    {
      "message_id": 944,
      "agent_id": 16,
      "delay": 7.031,
      "onscreen_delay": 4.804,
      "typing_delay": 2.227,
      "typing_duration": 5.102,
      "wpm": 18,
      "message": "โอเค ๆ "
    },
    {
      "message_id": 945,
      "agent_id": 29,
      "delay": 3.567,
      "onscreen_delay": 0,
      "typing_delay": 3.567,
      "typing_duration": 7.79,
      "wpm": 6,
      "message": "2 9 "
    },
    {
      "message_id": 946,
      "agent_id": 13,
      "delay": 3.787,
      "onscreen_delay": 2.917,
      "typing_delay": 0.87,
      "typing_duration": 5.742,
      "wpm": 18,
      "message": "18 โอเค "
    },
    {
      "message_id": 947,
      "agent_id": 14,
      "delay": 1.74,
      "onscreen_delay": 0.362,
      "typing_delay": 1.378,
      "typing_duration": 5.215,
      "wpm": 20,
      "message": "ลบเศษ 1 "
    },
    {
      "message_id": 948,
      "agent_id": 16,
      "delay": 2.153,
      "onscreen_delay": 0,
      "typing_delay": 2.153,
      "typing_duration": 6.274,
      "wpm": 22,
      "message": "เราหารยาว "
    },
    {
      "message_id": 949,
      "agent_id": 29,
      "delay": 2.272,
      "onscreen_delay": 1.041,
      "typing_delay": 1.231,
      "typing_duration": 6.256,
      "wpm": 19,
      "message": "... นะคะ "
    },
    {
      "message_id": 950,
      "agent_id": 13,
      "delay": 3.33,
      "onscreen_delay": 0,
      "typing_delay": 3.33,
      "typing_duration": 9.297,
      "wpm": 44,
      "message": "โอเคนะ ดังนั้น ครูก็จะเขียน"
    },
    {
      "message_id": 951,
      "agent_id": 14,
      "delay": 5.294,
      "onscreen_delay": 4.44,
      "typing_delay": 0.854,
      "typing_duration": 5.796,
      "wpm": 39,
      "message": "คำตอบของเราเป็น "
    },
    {
      "message_id": 952,
      "agent_id": 16,
      "delay": 3.271,
      "onscreen_delay": 0,
      "typing_delay": 3.271,
      "typing_duration": 5.018,
      "wpm": 6,
      "message": "79 "
    },
    {
      "message_id": 953,
      "agent_id": 29,
      "delay": 3.298,
      "onscreen_delay": 0,
      "typing_delay": 3.298,
      "typing_duration": 8.52,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 954,
      "agent_id": 13,
      "delay": 4.519,
      "onscreen_delay": 3.019,
      "typing_delay": 1.5,
      "typing_duration": 4.476,
      "wpm": 17,
      "message": "เศษ 1 "
    },
    {
      "message_id": 955,
      "agent_id": 14,
      "delay": 4.854,
      "onscreen_delay": 0,
      "typing_delay": 4.854,
      "typing_duration": 4.854,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 956,
      "agent_id": 16,
      "delay": 1.684,
      "onscreen_delay": 0,
      "typing_delay": 1.684,
      "typing_duration": 4.514,
      "wpm": 50,
      "message": "โอเคไหมคะ ต่อไป"
    },
    {
      "message_id": 957,
      "agent_id": 29,
      "delay": 7.81,
      "onscreen_delay": 0,
      "typing_delay": 7.81,
      "typing_duration": 7.81,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 958,
      "agent_id": 13,
      "delay": 3.808,
      "onscreen_delay": 1.345,
      "typing_delay": 2.463,
      "typing_duration": 8.452,
      "wpm": 34,
      "message": "79 นี่ ก็ยังมากกว่า "
    },
    {
      "message_id": 959,
      "agent_id": 14,
      "delay": 4.448,
      "onscreen_delay": 2.981,
      "typing_delay": 1.467,
      "typing_duration": 7.651,
      "wpm": 18,
      "message": "มากกว่า 2 "
    },
    {
      "message_id": 960,
      "agent_id": 16,
      "delay": 3.65,
      "onscreen_delay": 3.228,
      "typing_delay": 0.422,
      "typing_duration": 5.163,
      "wpm": 52,
      "message": "หารต่ออีกค่ะ หาร 2 "
    },
    {
      "message_id": 961,
      "agent_id": 29,
      "delay": 3.955,
      "onscreen_delay": 0,
      "typing_delay": 3.955,
      "typing_duration": 8.579,
      "wpm": 17,
      "message": "หารปุ๊บ 79 "
    },
    {
      "message_id": 962,
      "agent_id": 13,
      "delay": 4.577,
      "onscreen_delay": 3.816,
      "typing_delay": 0.761,
      "typing_duration": 12.797,
      "wpm": 21,
      "message": "หาร 2 รับ 3 เป็น 6 "
    },
    {
      "message_id": 963,
      "agent_id": 14,
      "delay": 8.795,
      "onscreen_delay": 8.578,
      "typing_delay": 0.217,
      "typing_duration": 7.265,
      "wpm": 45,
      "message": "ลบมาเหลือ 1 ชัก 9 ลงมา "
    },
    {
      "message_id": 964,
      "agent_id": 16,
      "delay": 4.794,
      "onscreen_delay": 2.385,
      "typing_delay": 2.409,
      "typing_duration": 7.808,
      "wpm": 44,
      "message": "2 คูณอะไรเป็น 19 ก็เป็น "
    },
    {
      "message_id": 965,
      "agent_id": 29,
      "delay": 3.807,
      "onscreen_delay": 3.64,
      "typing_delay": 0.167,
      "typing_duration": 8.26,
      "wpm": 53,
      "message": "ก็ 2 9 18 เศษ 1 อีก เห็นไหมคะ "
    },
    {
      "message_id": 966,
      "agent_id": 13,
      "delay": 4.258,
      "onscreen_delay": 1.136,
      "typing_delay": 3.122,
      "typing_duration": 7.447,
      "wpm": 34,
      "message": "อันนี้ก็จะได้เป็น "
    },
    {
      "message_id": 967,
      "agent_id": 14,
      "delay": 3.446,
      "onscreen_delay": 2.688,
      "typing_delay": 0.758,
      "typing_duration": 8.025,
      "wpm": 4,
      "message": "39 "
    },
    {
      "message_id": 968,
      "agent_id": 16,
      "delay": 4.025,
      "onscreen_delay": 2.307,
      "typing_delay": 1.718,
      "typing_duration": 4.283,
      "wpm": 18,
      "message": "เศษ 1 "
    },
    {
      "message_id": 969,
      "agent_id": 29,
      "delay": 3.959,
      "onscreen_delay": 0,
      "typing_delay": 3.959,
      "typing_duration": 7.519,
      "wpm": 30,
      "message": "39 ได้มากกว่า 2 "
    },
    {
      "message_id": 970,
      "agent_id": 13,
      "delay": 3.518,
      "onscreen_delay": 3.273,
      "typing_delay": 0.245,
      "typing_duration": 8.548,
      "wpm": 42,
      "message": "หารได้อีกนะคะ ครั้งที่ 3 "
    },
    {
      "message_id": 971,
      "agent_id": 14,
      "delay": 4.547,
      "onscreen_delay": 3.654,
      "typing_delay": 0.893,
      "typing_duration": 7.83,
      "wpm": 29,
      "message": "หาร 2 เข้าไป 39 "
    },
    {
      "message_id": 972,
      "agent_id": 16,
      "delay": 3.828,
      "onscreen_delay": 2.525,
      "typing_delay": 1.303,
      "typing_duration": 4.352,
      "wpm": 31,
      "message": "หารด้วย 2 "
    },
    {
      "message_id": 973,
      "agent_id": 29,
      "delay": 0.6,
      "onscreen_delay": 0,
      "typing_delay": 0.6,
      "typing_duration": 7.754,
      "wpm": 52,
      "message": "หารด้วย 2 ตรงนี้ 2 1 เป็น 2 "
    },
    {
      "message_id": 974,
      "agent_id": 13,
      "delay": 3.753,
      "onscreen_delay": 1.138,
      "typing_delay": 2.615,
      "typing_duration": 10.342,
      "wpm": 30,
      "message": "2 คูณ 1 เป็น 2 3 ลบ 2 "
    },
    {
      "message_id": 975,
      "agent_id": 14,
      "delay": 6.342,
      "onscreen_delay": 6.202,
      "typing_delay": 0.14,
      "typing_duration": 6.309,
      "wpm": 43,
      "message": "เหลือ 1 ชัก 9 ลงมา "
    },
    {
      "message_id": 976,
      "agent_id": 16,
      "delay": 2.341,
      "onscreen_delay": 1.486,
      "typing_delay": 0.855,
      "typing_duration": 4.855,
      "wpm": 65,
      "message": "2 คูณอะไรเป็น 19 เป็น "
    },
    {
      "message_id": 977,
      "agent_id": 29,
      "delay": 1.752,
      "onscreen_delay": 0,
      "typing_delay": 1.752,
      "typing_duration": 6.461,
      "wpm": 51,
      "message": "เศษ 1 อีกแล้ว ก็จะเป็น "
    },
    {
      "message_id": 978,
      "agent_id": 13,
      "delay": 2.46,
      "onscreen_delay": 1.462,
      "typing_delay": 0.998,
      "typing_duration": 4.77,
      "wpm": 25,
      "message": "19 เศษ 1 "
    },
    {
      "message_id": 979,
      "agent_id": 14,
      "delay": 4.032,
      "onscreen_delay": 0,
      "typing_delay": 4.032,
      "typing_duration": 10.95,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 980,
      "agent_id": 16,
      "delay": 6.948,
      "onscreen_delay": 6.025,
      "typing_delay": 0.923,
      "typing_duration": 5.465,
      "wpm": 71,
      "message": "19 ก็มากกว่า 2 หาร 2 ไปอีก "
    },
    {
      "message_id": 981,
      "agent_id": 29,
      "delay": 2.946,
      "onscreen_delay": 1.201,
      "typing_delay": 1.745,
      "typing_duration": 4.732,
      "wpm": 38,
      "message": "19 หารด้วย 2 "
    },
    {
      "message_id": 982,
      "agent_id": 13,
      "delay": 3.19,
      "onscreen_delay": 0,
      "typing_delay": 3.19,
      "typing_duration": 7.467,
      "wpm": 6,
      "message": "2 9 "
    },
    {
      "message_id": 983,
      "agent_id": 14,
      "delay": 3.466,
      "onscreen_delay": 3.267,
      "typing_delay": 0.199,
      "typing_duration": 10.822,
      "wpm": 49,
      "message": "ใกล้เคียงนะคะ 2 9 เป็น 18 ลบมาเศษ 1 "
    },
    {
      "message_id": 984,
      "agent_id": 16,
      "delay": 6.82,
      "onscreen_delay": 5.143,
      "typing_delay": 1.677,
      "typing_duration": 5.001,
      "wpm": 39,
      "message": "ก็ได้ 9 เศษ 1"
    },
    {
      "message_id": 985,
      "agent_id": 29,
      "delay": 2.818,
      "onscreen_delay": 0.406,
      "typing_delay": 2.412,
      "typing_duration": 6.257,
      "wpm": 50,
      "message": "9 มากกว่า 2 หารได้อีก "
    },
    {
      "message_id": 986,
      "agent_id": 13,
      "delay": 4.184,
      "onscreen_delay": 0,
      "typing_delay": 4.184,
      "typing_duration": 6.005,
      "wpm": 15,
      "message": "ตัวนี้ "
    },
    {
      "message_id": 987,
      "agent_id": 14,
      "delay": 2.018,
      "onscreen_delay": 0,
      "typing_delay": 2.018,
      "typing_duration": 8.755,
      "wpm": 19,
      "message": "9 หารด้วย 2 "
    },
    {
      "message_id": 988,
      "agent_id": 16,
      "delay": 4.754,
      "onscreen_delay": 2.42,
      "typing_delay": 2.334,
      "typing_duration": 8.873,
      "wpm": 32,
      "message": "2 4 เป็น 8 ลบ เศษ 1 "
    },
    {
      "message_id": 989,
      "agent_id": 29,
      "delay": 4.872,
      "onscreen_delay": 3.678,
      "typing_delay": 1.194,
      "typing_duration": 7.011,
      "wpm": 19,
      "message": "ตอบเป็น 4 "
    },
    {
      "message_id": 990,
      "agent_id": 13,
      "delay": 3.009,
      "onscreen_delay": 2.724,
      "typing_delay": 0.285,
      "typing_duration": 5.704,
      "wpm": 45,
      "message": "เศษ 1 4 มากกว่า 2 "
    },
    {
      "message_id": 991,
      "agent_id": 14,
      "delay": 1.703,
      "onscreen_delay": 1.522,
      "typing_delay": 0.181,
      "typing_duration": 4.672,
      "wpm": 42,
      "message": "หารได้อีกนะคะ "
    },
    {
      "message_id": 992,
      "agent_id": 16,
      "delay": 2.417,
      "onscreen_delay": 0,
      "typing_delay": 2.417,
      "typing_duration": 7.005,
      "wpm": 43,
      "message": "4 หาร 2 เป็น 2 เศษ 0 "
    },
    {
      "message_id": 993,
      "agent_id": 29,
      "delay": 3.003,
      "onscreen_delay": 1.1,
      "typing_delay": 1.903,
      "typing_duration": 6.825,
      "wpm": 48,
      "message": "2 เศษ 0 อันนี้ได้ไหมคะ "
    },
    {
      "message_id": 994,
      "agent_id": 13,
      "delay": 2.818,
      "onscreen_delay": 0.8,
      "typing_delay": 2.018,
      "typing_duration": 5.523,
      "wpm": 27,
      "message": "ก็ 2 เศษ 0 "
    },
    {
      "message_id": 995,
      "agent_id": 14,
      "delay": 1.523,
      "onscreen_delay": 0.963,
      "typing_delay": 0.56,
      "typing_duration": 12.483,
      "wpm": 49,
      "message": "2 นี่มันไม่น้อย... 2 คำตอบนี่มันหารได้อีก "
    },
    {
      "message_id": 996,
      "agent_id": 16,
      "delay": 8.481,
      "onscreen_delay": 6.015,
      "typing_delay": 2.466,
      "typing_duration": 4.951,
      "wpm": 36,
      "message": "หาร 2 ได้อีก "
    },
    {
      "message_id": 997,
      "agent_id": 29,
      "delay": 4.479,
      "onscreen_delay": 3.079,
      "typing_delay": 1.4,
      "typing_duration": 10.121,
      "wpm": 21,
      "message": "2 หาร 2 เป็น 1 "
    },
    {
      "message_id": 998,
      "agent_id": 13,
      "delay": 6.119,
      "onscreen_delay": 4.333,
      "typing_delay": 1.786,
      "typing_duration": 8.251,
      "wpm": 27,
      "message": "โอเค ตอนนี้นะคะ "
    },
    {
      "message_id": 999,
      "agent_id": 14,
      "delay": 4.249,
      "onscreen_delay": 3.383,
      "typing_delay": 0.866,
      "typing_duration": 8.98,
      "wpm": 55,
      "message": "คำตอบของเราเป็น 1 1 มันน้อยกว่า 2 "
    },
    {
      "message_id": 1000,
      "agent_id": 16,
      "delay": 4.978,
      "onscreen_delay": 4.201,
      "typing_delay": 0.777,
      "typing_duration": 5.339,
      "wpm": 98,
      "message": "จบการหาร ตัวนี้นะคะ จบการหารยาวแล้ว "
    },
    {
      "message_id": 1001,
      "agent_id": 29,
      "delay": 1.463,
      "onscreen_delay": 0,
      "typing_delay": 1.463,
      "typing_duration": 5.633,
      "wpm": 43,
      "message": "แล้วเราก็แปลงค่า"
    },
    {
      "message_id": 1002,
      "agent_id": 13,
      "delay": 1.815,
      "onscreen_delay": 0,
      "typing_delay": 1.815,
      "typing_duration": 4.75,
      "wpm": 22,
      "message": "แปลงค่า "
    },
    {
      "message_id": 1003,
      "agent_id": 14,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1004,
      "agent_id": 16,
      "delay": 10.998,
      "onscreen_delay": 7.043,
      "typing_delay": 3.955,
      "typing_duration": 10.427,
      "wpm": 12,
      "message": "ฟีลลิงก์ "
    },
    {
      "message_id": 1005,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 5.817,
      "typing_delay": 1.18,
      "typing_duration": 13.577,
      "wpm": 50,
      "message": "ครูจะลบกระดานเอง ถ้าสอนในห้องนี่ครูก็จะบอกว่า "
    },
    {
      "message_id": 1006,
      "agent_id": 13,
      "delay": 9.563,
      "onscreen_delay": 7.241,
      "typing_delay": 2.322,
      "typing_duration": 10.877,
      "wpm": 37,
      "message": "ใครก็ได้ลบกระดานให้ครูหน่อย "
    },
    {
      "message_id": 1007,
      "agent_id": 14,
      "delay": 6.876,
      "onscreen_delay": 5.748,
      "typing_delay": 1.128,
      "typing_duration": 11.58,
      "wpm": 66,
      "message": "โอเค ตอนนี้ได้แล้วนะคะนักศึกษา เดี๋ยวครูจะเขียนด้วย"
    },
    {
      "message_id": 1008,
      "agent_id": 16,
      "delay": 7.579,
      "onscreen_delay": 5.97,
      "typing_delay": 1.609,
      "typing_duration": 6.008,
      "wpm": 27,
      "message": "สีแดง 1 5 9 "
    },
    {
      "message_id": 1009,
      "agent_id": 29,
      "delay": 3.578,
      "onscreen_delay": 2.797,
      "typing_delay": 0.781,
      "typing_duration": 8.403,
      "wpm": 59,
      "message": "มีค่าเท่ากับอะไร ที่เป็นเลขฐานสอง "
    },
    {
      "message_id": 1010,
      "agent_id": 13,
      "delay": 4.381,
      "onscreen_delay": 2.884,
      "typing_delay": 1.497,
      "typing_duration": 10.692,
      "wpm": 51,
      "message": "เขียนจากล่างขึ้นบน จากล่างตรงนี้นะคะ "
    },
    {
      "message_id": 1011,
      "agent_id": 14,
      "delay": 6.69,
      "onscreen_delay": 4.599,
      "typing_delay": 2.091,
      "typing_duration": 6.341,
      "wpm": 28,
      "message": "ขึ้นบนตัวนี้ "
    },
    {
      "message_id": 1012,
      "agent_id": 16,
      "delay": 2.687,
      "onscreen_delay": 1.96,
      "typing_delay": 0.727,
      "typing_duration": 8.948,
      "wpm": 15,
      "message": "ก็คือ 100"
    },
    {
      "message_id": 1013,
      "agent_id": 29,
      "delay": 4.946,
      "onscreen_delay": 4.524,
      "typing_delay": 0.422,
      "typing_duration": 9.14,
      "wpm": 2,
      "message": "0 "
    },
    {
      "message_id": 1014,
      "agent_id": 13,
      "delay": 5.139,
      "onscreen_delay": 4.02,
      "typing_delay": 1.119,
      "typing_duration": 9.308,
      "wpm": 31,
      "message": "1, 2, 3, 4, 5 หาร 2 "
    },
    {
      "message_id": 1015,
      "agent_id": 14,
      "delay": 5.306,
      "onscreen_delay": 1.281,
      "typing_delay": 4.025,
      "typing_duration": 7.267,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1016,
      "agent_id": 16,
      "delay": 3.266,
      "onscreen_delay": 1.775,
      "typing_delay": 1.491,
      "typing_duration": 5.47,
      "wpm": 74,
      "message": "เห็นไหมคะ เราได้ในส่วนที่ 1 "
    },
    {
      "message_id": 1017,
      "agent_id": 29,
      "delay": 1.468,
      "onscreen_delay": 1.015,
      "typing_delay": 0.453,
      "typing_duration": 4.937,
      "wpm": 73,
      "message": "ส่วนที่ 1 เป็นส่วนตรงนี้ "
    },
    {
      "message_id": 1018,
      "agent_id": 13,
      "delay": 1.536,
      "onscreen_delay": 0,
      "typing_delay": 1.536,
      "typing_duration": 7.042,
      "wpm": 58,
      "message": "ต่อไป เราจะหาคำตอบส่วนที่ 2 "
    },
    {
      "message_id": 1019,
      "agent_id": 14,
      "delay": 3.04,
      "onscreen_delay": 2.53,
      "typing_delay": 0.51,
      "typing_duration": 7.085,
      "wpm": 66,
      "message": "ส่วนที่ 2 คือ ส่วนที่เป็นทศนิยม "
    },
    {
      "message_id": 1020,
      "agent_id": 16,
      "delay": 4.327,
      "onscreen_delay": 0,
      "typing_delay": 4.327,
      "typing_duration": 4.327,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1021,
      "agent_id": 29,
      "delay": 2.986,
      "onscreen_delay": 0,
      "typing_delay": 2.986,
      "typing_duration": 10.354,
      "wpm": 25,
      "message": "ส่วนที่เป็นทศนิยม"
    },
    {
      "message_id": 1022,
      "agent_id": 13,
      "delay": 6.351,
      "onscreen_delay": 3.206,
      "typing_delay": 3.145,
      "typing_duration": 9.228,
      "wpm": 44,
      "message": "ไม่ต้องหาร แต่ใช้หลักการคูณ "
    },
    {
      "message_id": 1023,
      "agent_id": 14,
      "delay": 5.227,
      "onscreen_delay": 4.422,
      "typing_delay": 0.805,
      "typing_duration": 12.363,
      "wpm": 63,
      "message": "คูณไปเรื่อย ๆ นะคะ โอเค อย่างนั้นเรามาเริ่มการคูณเลย "
    },
    {
      "message_id": 1024,
      "agent_id": 16,
      "delay": 8.362,
      "onscreen_delay": 3.871,
      "typing_delay": 4.491,
      "typing_duration": 4.491,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1025,
      "agent_id": 29,
      "delay": 4.359,
      "onscreen_delay": 3.538,
      "typing_delay": 0.821,
      "typing_duration": 4.851,
      "wpm": 31,
      "message": "เริ่มจาก 0 "
    },
    {
      "message_id": 1026,
      "agent_id": 13,
      "delay": 2.094,
      "onscreen_delay": 0,
      "typing_delay": 2.094,
      "typing_duration": 9.019,
      "wpm": 45,
      "message": "0 เดี๋ยวนะ เดี๋ยวครูจะเขียน"
    },
    {
      "message_id": 1027,
      "agent_id": 14,
      "delay": 5.018,
      "onscreen_delay": 4.249,
      "typing_delay": 0.769,
      "typing_duration": 4.377,
      "wpm": 48,
      "message": "ข้างล่างตรงนี้ "
    },
    {
      "message_id": 1028,
      "agent_id": 16,
      "delay": 3.585,
      "onscreen_delay": 0,
      "typing_delay": 3.585,
      "typing_duration": 6.237,
      "wpm": 12,
      "message": "0.572 "
    },
    {
      "message_id": 1029,
      "agent_id": 29,
      "delay": 2.235,
      "onscreen_delay": 1.104,
      "typing_delay": 1.131,
      "typing_duration": 6.104,
      "wpm": 27,
      "message": "แล้วคูรด้วย "
    },
    {
      "message_id": 1030,
      "agent_id": 13,
      "delay": 2.103,
      "onscreen_delay": 1.444,
      "typing_delay": 0.659,
      "typing_duration": 6.421,
      "wpm": 37,
      "message": "2 คูณด้วย 2 นะคะ "
    },
    {
      "message_id": 1031,
      "agent_id": 14,
      "delay": 2.686,
      "onscreen_delay": 0,
      "typing_delay": 2.686,
      "typing_duration": 8.821,
      "wpm": 36,
      "message": "การคูณครั้งที่ 1 เกิด"
    },
    {
      "message_id": 1032,
      "agent_id": 16,
      "delay": 4.817,
      "onscreen_delay": 2.686,
      "typing_delay": 2.131,
      "typing_duration": 6.97,
      "wpm": 52,
      "message": "คำตอบเป็น 2 คูณ 2 เป็น 4 "
    },
    {
      "message_id": 1033,
      "agent_id": 29,
      "delay": 2.968,
      "onscreen_delay": 1.46,
      "typing_delay": 1.508,
      "typing_duration": 4.531,
      "wpm": 46,
      "message": "2 คูณ 2 เป็น 4 "
    },
    {
      "message_id": 1034,
      "agent_id": 13,
      "delay": 4.738,
      "onscreen_delay": 0,
      "typing_delay": 4.738,
      "typing_duration": 7.091,
      "wpm": 11,
      "message": "ต่อไป "
    },
    {
      "message_id": 1035,
      "agent_id": 14,
      "delay": 3.09,
      "onscreen_delay": 0.794,
      "typing_delay": 2.296,
      "typing_duration": 8.36,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1036,
      "agent_id": 16,
      "delay": 4.358,
      "onscreen_delay": 3.334,
      "typing_delay": 1.024,
      "typing_duration": 8.039,
      "wpm": 54,
      "message": "2 คูณ 7 เป็น 14 ใส่ตัวทดไว้ 1 "
    },
    {
      "message_id": 1037,
      "agent_id": 29,
      "delay": 4.039,
      "onscreen_delay": 2.739,
      "typing_delay": 1.3,
      "typing_duration": 6.936,
      "wpm": 35,
      "message": "14 ใส่ตัวทดไว้ 1 "
    },
    {
      "message_id": 1038,
      "agent_id": 13,
      "delay": 2.934,
      "onscreen_delay": 0.571,
      "typing_delay": 2.363,
      "typing_duration": 5.686,
      "wpm": 29,
      "message": "ถัดมา 2 ... "
    },
    {
      "message_id": 1039,
      "agent_id": 14,
      "delay": 2.065,
      "onscreen_delay": 0,
      "typing_delay": 2.065,
      "typing_duration": 7.9,
      "wpm": 38,
      "message": "ถัดมา 2 คูณ 5 ตัวนี้ "
    },
    {
      "message_id": 1040,
      "agent_id": 16,
      "delay": 3.898,
      "onscreen_delay": 2.127,
      "typing_delay": 1.771,
      "typing_duration": 10.177,
      "wpm": 46,
      "message": "2 คูณ 5 เป็น 10 บวกตัวทดเป็น 11 "
    },
    {
      "message_id": 1041,
      "agent_id": 29,
      "delay": 6.175,
      "onscreen_delay": 0.549,
      "typing_delay": 5.626,
      "typing_duration": 5.626,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1042,
      "agent_id": 13,
      "delay": 3.677,
      "onscreen_delay": 0,
      "typing_delay": 3.677,
      "typing_duration": 6.485,
      "wpm": 14,
      "message": "ทศนิยม "
    },
    {
      "message_id": 1043,
      "agent_id": 14,
      "delay": 2.481,
      "onscreen_delay": 1.941,
      "typing_delay": 0.54,
      "typing_duration": 7.266,
      "wpm": 50,
      "message": "ลากมันมานะคะ ลากมันมาเลย "
    },
    {
      "message_id": 1044,
      "agent_id": 16,
      "delay": 4.422,
      "onscreen_delay": 0,
      "typing_delay": 4.422,
      "typing_duration": 4.422,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1045,
      "agent_id": 29,
      "delay": 0.939,
      "onscreen_delay": 0,
      "typing_delay": 0.939,
      "typing_duration": 7.261,
      "wpm": 50,
      "message": "โอเค ตอนนี้เราก็จะคิดว่า"
    },
    {
      "message_id": 1046,
      "agent_id": 13,
      "delay": 3.259,
      "onscreen_delay": 1.397,
      "typing_delay": 1.862,
      "typing_duration": 9.493,
      "wpm": 44,
      "message": "มีจำนวนเต็มหน่วยเกิดขึ้นแล้ว "
    },
    {
      "message_id": 1047,
      "agent_id": 14,
      "delay": 5.49,
      "onscreen_delay": 3.277,
      "typing_delay": 2.213,
      "typing_duration": 14.509,
      "wpm": 44,
      "message": "ตอนนี้มีจำนวนเต็มหน่วยเกิดขึ้น คือเลขอะไรคะ "
    },
    {
      "message_id": 1048,
      "agent_id": 16,
      "delay": 10.509,
      "onscreen_delay": 9.259,
      "typing_delay": 1.25,
      "typing_duration": 6.6,
      "wpm": 70,
      "message": "เลข 1 ถ้าเป็นเต็มหน่วยเมื่อไหร่ "
    },
    {
      "message_id": 1049,
      "agent_id": 29,
      "delay": 6.507,
      "onscreen_delay": 5.643,
      "typing_delay": 0.864,
      "typing_duration": 9.516,
      "wpm": 57,
      "message": "ไม่ ไม่เอามาคิด เหมือนให้เขาไปเที่ยว "
    },
    {
      "message_id": 1050,
      "agent_id": 13,
      "delay": 5.515,
      "onscreen_delay": 2.724,
      "typing_delay": 2.791,
      "typing_duration": 9.82,
      "wpm": 46,
      "message": "ให้เขาหายไป มองว่าเขาเป็นเลข 0 "
    },
    {
      "message_id": 1051,
      "agent_id": 14,
      "delay": 5.819,
      "onscreen_delay": 5.297,
      "typing_delay": 0.522,
      "typing_duration": 7.083,
      "wpm": 49,
      "message": "ในการคูณในขั้นถัดไปนะคะ "
    },
    {
      "message_id": 1052,
      "agent_id": 16,
      "delay": 4.379,
      "onscreen_delay": 0,
      "typing_delay": 4.379,
      "typing_duration": 5.768,
      "wpm": 16,
      "message": "ตัวนี้ "
    },
    {
      "message_id": 1053,
      "agent_id": 29,
      "delay": 1.764,
      "onscreen_delay": 1.024,
      "typing_delay": 0.74,
      "typing_duration": 8.206,
      "wpm": 27,
      "message": "เสมือนเป็นเลข 0 "
    },
    {
      "message_id": 1054,
      "agent_id": 13,
      "delay": 4.195,
      "onscreen_delay": 3.823,
      "typing_delay": 0.372,
      "typing_duration": 9.929,
      "wpm": 53,
      "message": "1 ไม่คิด ไม่เอา 1 ที่เต็มหน่วยมาคิด "
    },
    {
      "message_id": 1055,
      "agent_id": 14,
      "delay": 5.927,
      "onscreen_delay": 5.39,
      "typing_delay": 0.537,
      "typing_duration": 6.946,
      "wpm": 60,
      "message": "เพราะเราจะคิดเฉพาะทศนิยมนะคะ "
    },
    {
      "message_id": 1056,
      "agent_id": 16,
      "delay": 2.944,
      "onscreen_delay": 1.702,
      "typing_delay": 1.242,
      "typing_duration": 5.508,
      "wpm": 76,
      "message": "เริ่มคูณด้วย 2 อีกครั้งหนึ่ง "
    },
    {
      "message_id": 1057,
      "agent_id": 29,
      "delay": 1.507,
      "onscreen_delay": 0.464,
      "typing_delay": 1.043,
      "typing_duration": 6.518,
      "wpm": 32,
      "message": "ละเอียดมากขึ้น "
    },
    {
      "message_id": 1058,
      "agent_id": 13,
      "delay": 2.517,
      "onscreen_delay": 1.218,
      "typing_delay": 1.299,
      "typing_duration": 9.242,
      "wpm": 47,
      "message": "ใส่ตัวนี้ คูณก่อนนะคะ 2 คูณ 4 "
    },
    {
      "message_id": 1059,
      "agent_id": 14,
      "delay": 5.24,
      "onscreen_delay": 5.009,
      "typing_delay": 0.231,
      "typing_duration": 5.207,
      "wpm": 17,
      "message": "เป็น 8 "
    },
    {
      "message_id": 1060,
      "agent_id": 16,
      "delay": 2.026,
      "onscreen_delay": 0,
      "typing_delay": 2.026,
      "typing_duration": 5.613,
      "wpm": 32,
      "message": "ต่อไป ตัวนี้ "
    },
    {
      "message_id": 1061,
      "agent_id": 29,
      "delay": 1.611,
      "onscreen_delay": 0.614,
      "typing_delay": 0.997,
      "typing_duration": 8.703,
      "wpm": 41,
      "message": "2 คูณ 4 อีกครั้งก็เป็น 8 "
    },
    {
      "message_id": 1062,
      "agent_id": 13,
      "delay": 4.703,
      "onscreen_delay": 2.348,
      "typing_delay": 2.355,
      "typing_duration": 6.136,
      "wpm": 29,
      "message": "ต่อไป ตัวนี้ "
    },
    {
      "message_id": 1063,
      "agent_id": 14,
      "delay": 2.134,
      "onscreen_delay": 0.882,
      "typing_delay": 1.252,
      "typing_duration": 15.001,
      "wpm": 14,
      "message": "2 คูณ 1 เป็น 2 "
    },
    {
      "message_id": 1064,
      "agent_id": 16,
      "delay": 11,
      "onscreen_delay": 8.177,
      "typing_delay": 2.823,
      "typing_duration": 7.816,
      "wpm": 27,
      "message": "2 คูณ 1 เป็น 2 "
    },
    {
      "message_id": 1065,
      "agent_id": 29,
      "delay": 7,
      "onscreen_delay": 5.299,
      "typing_delay": 1.701,
      "typing_duration": 9.581,
      "wpm": 44,
      "message": "ถัดมาตัวนี้ 2 มาคูณกับอะไรคะ "
    },
    {
      "message_id": 1066,
      "agent_id": 13,
      "delay": 5.58,
      "onscreen_delay": 1.12,
      "typing_delay": 4.46,
      "typing_duration": 6.9,
      "wpm": 2,
      "message": "2 "
    },
    {
      "message_id": 1067,
      "agent_id": 14,
      "delay": 2.9,
      "onscreen_delay": 2.536,
      "typing_delay": 0.364,
      "typing_duration": 10.372,
      "wpm": 30,
      "message": "ต้องคูณกับ 0 เพราะว่า "
    },
    {
      "message_id": 1068,
      "agent_id": 16,
      "delay": 6.37,
      "onscreen_delay": 5.295,
      "typing_delay": 1.075,
      "typing_duration": 9.788,
      "wpm": 66,
      "message": "1 เป็นจำนวนที่ไม่เอามาคิด เสมือนว่า 2 คูณ 0 "
    },
    {
      "message_id": 1069,
      "agent_id": 29,
      "delay": 5.787,
      "onscreen_delay": 5.219,
      "typing_delay": 0.568,
      "typing_duration": 8.88,
      "wpm": 34,
      "message": "เป็น 0 แล้วจุดทศนิยม"
    },
    {
      "message_id": 1070,
      "agent_id": 13,
      "delay": 4.879,
      "onscreen_delay": 2.814,
      "typing_delay": 2.065,
      "typing_duration": 9.706,
      "wpm": 37,
      "message": "ลากลงมา จุดทศนิยมลากลงมา"
    },
    {
      "message_id": 1071,
      "agent_id": 14,
      "delay": 5.705,
      "onscreen_delay": 5.417,
      "typing_delay": 0.288,
      "typing_duration": 4.662,
      "wpm": 13,
      "message": "นะคะ "
    },
    {
      "message_id": 1072,
      "agent_id": 16,
      "delay": 3.09,
      "onscreen_delay": 0,
      "typing_delay": 3.09,
      "typing_duration": 5.629,
      "wpm": 32,
      "message": "คูณ 2 ได้อีก "
    },
    {
      "message_id": 1073,
      "agent_id": 29,
      "delay": 3.722,
      "onscreen_delay": 0,
      "typing_delay": 3.722,
      "typing_duration": 7.519,
      "wpm": 36,
      "message": "คูณ 2 อีก เราจะเอา"
    },
    {
      "message_id": 1074,
      "agent_id": 13,
      "delay": 3.518,
      "onscreen_delay": 2.81,
      "typing_delay": 0.708,
      "typing_duration": 10.929,
      "wpm": 60,
      "message": "ความละเอียดสัก 4 ตำแหน่งนะคะ เมื่อเราต้องการ"
    },
    {
      "message_id": 1075,
      "agent_id": 14,
      "delay": 6.927,
      "onscreen_delay": 6.431,
      "typing_delay": 0.496,
      "typing_duration": 6.471,
      "wpm": 53,
      "message": "ทศนิยมมีความละเอียดนะคะ "
    },
    {
      "message_id": 1076,
      "agent_id": 16,
      "delay": 2.926,
      "onscreen_delay": 2.092,
      "typing_delay": 0.834,
      "typing_duration": 8.615,
      "wpm": 47,
      "message": "ให้ใช้จำนวนทศนิยมที่มากขึ้น"
    },
    {
      "message_id": 1077,
      "agent_id": 29,
      "delay": 4.613,
      "onscreen_delay": 3.652,
      "typing_delay": 0.961,
      "typing_duration": 9.396,
      "wpm": 38,
      "message": "เราจะเอาทศนิยม 4 ตำแหน่ง "
    },
    {
      "message_id": 1078,
      "agent_id": 13,
      "delay": 5.396,
      "onscreen_delay": 3.102,
      "typing_delay": 2.294,
      "typing_duration": 9.636,
      "wpm": 34,
      "message": "ต่อไปเราก็จะคูณต่อนะคะ "
    },
    {
      "message_id": 1079,
      "agent_id": 14,
      "delay": 5.633,
      "onscreen_delay": 5.12,
      "typing_delay": 0.513,
      "typing_duration": 5.867,
      "wpm": 56,
      "message": "ตัวนี้ 2 คูณ 8 เป็น 16 "
    },
    {
      "message_id": 1080,
      "agent_id": 16,
      "delay": 1.866,
      "onscreen_delay": 1.025,
      "typing_delay": 0.841,
      "typing_duration": 4.245,
      "wpm": 35,
      "message": "ใส่ 6 ทด 1 "
    },
    {
      "message_id": 1081,
      "agent_id": 29,
      "delay": 4.889,
      "onscreen_delay": 0,
      "typing_delay": 4.889,
      "typing_duration": 13.006,
      "wpm": 16,
      "message": "ใส่ 6 ทดด้วย 1 "
    },
    {
      "message_id": 1082,
      "agent_id": 13,
      "delay": 9.005,
      "onscreen_delay": 5.307,
      "typing_delay": 3.698,
      "typing_duration": 11.208,
      "wpm": 37,
      "message": "ถัดมา 2 คูณ 8 ตัวนี้ 2 คูณ 8 "
    },
    {
      "message_id": 1083,
      "agent_id": 14,
      "delay": 7.206,
      "onscreen_delay": 3.953,
      "typing_delay": 3.253,
      "typing_duration": 10.65,
      "wpm": 20,
      "message": "เป็น 16 16 บวก"
    },
    {
      "message_id": 1084,
      "agent_id": 16,
      "delay": 6.648,
      "onscreen_delay": 6.098,
      "typing_delay": 0.55,
      "typing_duration": 8.148,
      "wpm": 55,
      "message": "ตัวทด 1 เป็น 17 ใส่ 7 ทดด้วย 1 "
    },
    {
      "message_id": 1085,
      "agent_id": 29,
      "delay": 4.146,
      "onscreen_delay": 1.673,
      "typing_delay": 2.473,
      "typing_duration": 8.942,
      "wpm": 35,
      "message": "ต่อมา 2 คูณ 2 2 คูณ 2 "
    },
    {
      "message_id": 1086,
      "agent_id": 13,
      "delay": 4.941,
      "onscreen_delay": 3.967,
      "typing_delay": 0.974,
      "typing_duration": 9.896,
      "wpm": 29,
      "message": "เป็น 4 4 + 1 เป็น 5 "
    },
    {
      "message_id": 1087,
      "agent_id": 14,
      "delay": 5.895,
      "onscreen_delay": 0.768,
      "typing_delay": 5.127,
      "typing_duration": 9.02,
      "wpm": 8,
      "message": "ทีนี้ "
    },
    {
      "message_id": 1088,
      "agent_id": 16,
      "delay": 5.019,
      "onscreen_delay": 4.002,
      "typing_delay": 1.017,
      "typing_duration": 10.547,
      "wpm": 55,
      "message": "2 คูณ 0 ก็เป็น 0 ถ้าเราเริ่มชำนาญ เราก็"
    },
    {
      "message_id": 1089,
      "agent_id": 29,
      "delay": 6.545,
      "onscreen_delay": 6.335,
      "typing_delay": 0.21,
      "typing_duration": 9.591,
      "wpm": 47,
      "message": "รู้เลยว่าพอแล้ว มันก็จะเป็น 0."
    },
    {
      "message_id": 1090,
      "agent_id": 13,
      "delay": 5.591,
      "onscreen_delay": 2.947,
      "typing_delay": 2.644,
      "typing_duration": 8.036,
      "wpm": 35,
      "message": "576 ทุกคนก็ลากมันมา "
    },
    {
      "message_id": 1091,
      "agent_id": 14,
      "delay": 4.035,
      "onscreen_delay": 3.261,
      "typing_delay": 0.774,
      "typing_duration": 10.703,
      "wpm": 67,
      "message": "ต่อไปเราจะไปคูณ 2 อีกครั้งหนึ่ง ครั้งสุดท้ายนะคะ "
    },
    {
      "message_id": 1092,
      "agent_id": 16,
      "delay": 6.702,
      "onscreen_delay": 4.989,
      "typing_delay": 1.713,
      "typing_duration": 4.403,
      "wpm": 17,
      "message": "คูณ 2 "
    },
    {
      "message_id": 1093,
      "agent_id": 29,
      "delay": 2.7,
      "onscreen_delay": 0.248,
      "typing_delay": 2.452,
      "typing_duration": 5.555,
      "wpm": 32,
      "message": "เริ่มเลย 2 6 "
    },
    {
      "message_id": 1094,
      "agent_id": 13,
      "delay": 15.009,
      "onscreen_delay": 0,
      "typing_delay": 15.009,
      "typing_duration": 15.009,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1095,
      "agent_id": 14,
      "delay": 11.007,
      "onscreen_delay": 6.576,
      "typing_delay": 4.431,
      "typing_duration": 4.431,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1096,
      "agent_id": 16,
      "delay": 7.493,
      "onscreen_delay": 0,
      "typing_delay": 7.493,
      "typing_duration": 9.093,
      "wpm": 16,
      "message": "ตัวนี้นะคะ "
    },
    {
      "message_id": 1097,
      "agent_id": 29,
      "delay": 5.089,
      "onscreen_delay": 3.754,
      "typing_delay": 1.335,
      "typing_duration": 8.418,
      "wpm": 27,
      "message": "2 คูณ 6 2 คูณ 6 "
    },
    {
      "message_id": 1098,
      "agent_id": 13,
      "delay": 4.418,
      "onscreen_delay": 3.194,
      "typing_delay": 1.224,
      "typing_duration": 8.655,
      "wpm": 23,
      "message": "เป็น 12 ใส่ 2 "
    },
    {
      "message_id": 1099,
      "agent_id": 14,
      "delay": 4.653,
      "onscreen_delay": 4.321,
      "typing_delay": 0.332,
      "typing_duration": 9.225,
      "wpm": 16,
      "message": "ทด 1 ต่อไป "
    },
    {
      "message_id": 1100,
      "agent_id": 16,
      "delay": 5.223,
      "onscreen_delay": 3.409,
      "typing_delay": 1.814,
      "typing_duration": 5.289,
      "wpm": 43,
      "message": "2 คูณ 7 เป็น 14 "
    },
    {
      "message_id": 1101,
      "agent_id": 29,
      "delay": 1.539,
      "onscreen_delay": 0,
      "typing_delay": 1.539,
      "typing_duration": 10.109,
      "wpm": 21,
      "message": "ใส่ 5 ทดด้วย 1 "
    },
    {
      "message_id": 1102,
      "agent_id": 13,
      "delay": 6.108,
      "onscreen_delay": 2.74,
      "typing_delay": 3.368,
      "typing_duration": 8.474,
      "wpm": 21,
      "message": "ใส่ 5 ทดไป 1 "
    },
    {
      "message_id": 1103,
      "agent_id": 14,
      "delay": 4.473,
      "onscreen_delay": 4.149,
      "typing_delay": 0.324,
      "typing_duration": 7.602,
      "wpm": 45,
      "message": "จากนั้น 2 คูณ 5 เป็น 10 "
    },
    {
      "message_id": 1104,
      "agent_id": 16,
      "delay": 3.6,
      "onscreen_delay": 1.443,
      "typing_delay": 2.157,
      "typing_duration": 5.928,
      "wpm": 46,
      "message": "บวกตัวทด 1 เป็น 11 "
    },
    {
      "message_id": 1105,
      "agent_id": 29,
      "delay": 2.982,
      "onscreen_delay": 0,
      "typing_delay": 2.982,
      "typing_duration": 6.7,
      "wpm": 29,
      "message": "ทศนิยมลากลงมา "
    },
    {
      "message_id": 1106,
      "agent_id": 13,
      "delay": 2.698,
      "onscreen_delay": 1.121,
      "typing_delay": 1.577,
      "typing_duration": 6.997,
      "wpm": 45,
      "message": "ตรงนี้ ลากลงมา พอแล้ว "
    },
    {
      "message_id": 1107,
      "agent_id": 14,
      "delay": 2.991,
      "onscreen_delay": 1.239,
      "typing_delay": 1.752,
      "typing_duration": 7.584,
      "wpm": 73,
      "message": "เอาแค่ 4 ตำแหน่งก็พอแล้วนะคะ พอแล้ว ๆ "
    },
    {
      "message_id": 1108,
      "agent_id": 16,
      "delay": 4.672,
      "onscreen_delay": 0,
      "typing_delay": 4.672,
      "typing_duration": 4.672,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1109,
      "agent_id": 29,
      "delay": 1.408,
      "onscreen_delay": 0,
      "typing_delay": 1.408,
      "typing_duration": 7.327,
      "wpm": 33,
      "message": "เราจะเขียน 0.572 "
    },
    {
      "message_id": 1110,
      "agent_id": 13,
      "delay": 3.327,
      "onscreen_delay": 2.947,
      "typing_delay": 0.38,
      "typing_duration": 9.544,
      "wpm": 55,
      "message": "ฐานสิบ เป็นเลขฐาน 2 เราก็ใช้เป็นเลข"
    },
    {
      "message_id": 1111,
      "agent_id": 14,
      "delay": 5.542,
      "onscreen_delay": 3.802,
      "typing_delay": 1.74,
      "typing_duration": 14.032,
      "wpm": 19,
      "message": "ข้างหน้าทศนิยมนะคะ "
    },
    {
      "message_id": 1112,
      "agent_id": 16,
      "delay": 10.031,
      "onscreen_delay": 5.316,
      "typing_delay": 4.715,
      "typing_duration": 8.031,
      "wpm": 34,
      "message": "ประกอบไปด้วยตัวนี้ "
    },
    {
      "message_id": 1113,
      "agent_id": 29,
      "delay": 6.028,
      "onscreen_delay": 4.165,
      "typing_delay": 1.863,
      "typing_duration": 8.734,
      "wpm": 19,
      "message": "เลข 0 เลข 0 "
    },
    {
      "message_id": 1114,
      "agent_id": 13,
      "delay": 4.732,
      "onscreen_delay": 3.169,
      "typing_delay": 1.563,
      "typing_duration": 6.355,
      "wpm": 42,
      "message": "แล้วก็เลข 1 ตัวนี้ "
    },
    {
      "message_id": 1115,
      "agent_id": 14,
      "delay": 4.284,
      "onscreen_delay": 0,
      "typing_delay": 4.284,
      "typing_duration": 4.284,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1116,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1117,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 6.641,
      "typing_delay": 4.359,
      "typing_duration": 4.359,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1118,
      "agent_id": 13,
      "delay": 6.997,
      "onscreen_delay": 1.503,
      "typing_delay": 5.494,
      "typing_duration": 6.65,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1119,
      "agent_id": 14,
      "delay": 2.995,
      "onscreen_delay": 2.181,
      "typing_delay": 0.814,
      "typing_duration": 10.723,
      "wpm": 62,
      "message": "คือ ในเอกสารสไลด์ PowerPoint ที่ครูแจกให้นี่"
    },
    {
      "message_id": 1120,
      "agent_id": 16,
      "delay": 6.721,
      "onscreen_delay": 4.858,
      "typing_delay": 1.863,
      "typing_duration": 12.25,
      "wpm": 29,
      "message": "ใช้ความละเอียด 5 ตำแหน่ง "
    },
    {
      "message_id": 1121,
      "agent_id": 29,
      "delay": 8.25,
      "onscreen_delay": 7.121,
      "typing_delay": 1.129,
      "typing_duration": 10.592,
      "wpm": 54,
      "message": "ครูใช้ความละเอียดแค่ 4 ตำแหน่ง ดังนั้น"
    },
    {
      "message_id": 1122,
      "agent_id": 13,
      "delay": 6.59,
      "onscreen_delay": 5.609,
      "typing_delay": 0.981,
      "typing_duration": 6.96,
      "wpm": 45,
      "message": "นักศึกษาสามารถไปทบทวน"
    },
    {
      "message_id": 1123,
      "agent_id": 14,
      "delay": 2.958,
      "onscreen_delay": 2.603,
      "typing_delay": 0.355,
      "typing_duration": 7.613,
      "wpm": 79,
      "message": "ที่บ้านโดยการอ่านเอกสารที่ครูแจกให้ก็ได้ "
    },
    {
      "message_id": 1124,
      "agent_id": 16,
      "delay": 3.611,
      "onscreen_delay": 2.386,
      "typing_delay": 1.225,
      "typing_duration": 6.124,
      "wpm": 73,
      "message": "อันนั้นจะเป็นการแสดงที่มากขึ้น "
    },
    {
      "message_id": 1125,
      "agent_id": 29,
      "delay": 2.122,
      "onscreen_delay": 1.681,
      "typing_delay": 0.441,
      "typing_duration": 6.251,
      "wpm": 70,
      "message": "หลักการเป็นเรื่องเดียวกันนะคะ "
    },
    {
      "message_id": 1126,
      "agent_id": 13,
      "delay": 2.249,
      "onscreen_delay": 2.098,
      "typing_delay": 0.151,
      "typing_duration": 11.46,
      "wpm": 30,
      "message": "ตอนนี้ สำหรับ 0.572 นี่ "
    },
    {
      "message_id": 1127,
      "agent_id": 14,
      "delay": 7.46,
      "onscreen_delay": 7.378,
      "typing_delay": 0.082,
      "typing_duration": 11.962,
      "wpm": 48,
      "message": "เลขฐานสองปั๊บ เวลาอ่านคำตอบจะสวนทางกัน "
    },
    {
      "message_id": 1128,
      "agent_id": 16,
      "delay": 7.96,
      "onscreen_delay": 7.222,
      "typing_delay": 0.738,
      "typing_duration": 7.66,
      "wpm": 45,
      "message": "อันแรกอ่านจากล่างขึ้นบน "
    },
    {
      "message_id": 1129,
      "agent_id": 29,
      "delay": 3.959,
      "onscreen_delay": 3.627,
      "typing_delay": 0.332,
      "typing_duration": 10.909,
      "wpm": 34,
      "message": "ลงล่าง เห็นไหม เราก็จะได้ "
    },
    {
      "message_id": 1130,
      "agent_id": 13,
      "delay": 6.908,
      "onscreen_delay": 5.19,
      "typing_delay": 1.718,
      "typing_duration": 8.16,
      "wpm": 9,
      "message": "0.572 "
    },
    {
      "message_id": 1131,
      "agent_id": 14,
      "delay": 4.16,
      "onscreen_delay": 3.219,
      "typing_delay": 0.941,
      "typing_duration": 6.212,
      "wpm": 60,
      "message": "ฐาน 10 มีค่าเท่ากับอะไรคะ "
    },
    {
      "message_id": 1132,
      "agent_id": 16,
      "delay": 2.21,
      "onscreen_delay": 0.615,
      "typing_delay": 1.595,
      "typing_duration": 4.579,
      "wpm": 20,
      "message": "0.1001 "
    },
    {
      "message_id": 1133,
      "agent_id": 29,
      "delay": 2.169,
      "onscreen_delay": 0,
      "typing_delay": 2.169,
      "typing_duration": 8.183,
      "wpm": 16,
      "message": "โอเคไหมคะ "
    },
    {
      "message_id": 1134,
      "agent_id": 13,
      "delay": 4.181,
      "onscreen_delay": 1.915,
      "typing_delay": 2.266,
      "typing_duration": 10.033,
      "wpm": 46,
      "message": "อ่านจากบนลงล่างนะคะ 1 คือตัวนี้"
    },
    {
      "message_id": 1135,
      "agent_id": 14,
      "delay": 6.026,
      "onscreen_delay": 5.873,
      "typing_delay": 0.153,
      "typing_duration": 10.115,
      "wpm": 79,
      "message": "อันนี้คือตัวที่ 2 อันนี้คือตัวที่ 3 อันนี้คือตัวที่ 4 "
    },
    {
      "message_id": 1136,
      "agent_id": 16,
      "delay": 6.113,
      "onscreen_delay": 5.535,
      "typing_delay": 0.578,
      "typing_duration": 4.872,
      "wpm": 52,
      "message": "ตัวที่ 1 ตัวที่ 2 "
    },
    {
      "message_id": 1137,
      "agent_id": 29,
      "delay": 2.106,
      "onscreen_delay": 1.409,
      "typing_delay": 0.697,
      "typing_duration": 10.69,
      "wpm": 63,
      "message": "ตัวนี้คือตัวที่ 2 อันนี้คือตัวที่ 3 อันนี้คือ"
    },
    {
      "message_id": 1138,
      "agent_id": 13,
      "delay": 6.688,
      "onscreen_delay": 5.567,
      "typing_delay": 1.121,
      "typing_duration": 8.511,
      "wpm": 55,
      "message": "ตัวที่ 4 สุดท้าย เพื่อให้เข้าใจ"
    },
    {
      "message_id": 1139,
      "agent_id": 14,
      "delay": 4.51,
      "onscreen_delay": 4.376,
      "typing_delay": 0.134,
      "typing_duration": 11.975,
      "wpm": 70,
      "message": "เป็นเรื่องเดียวกัน เราอย่าลืมนะคะ เราต้องเขียนเลขห้อยเขา "
    },
    {
      "message_id": 1140,
      "agent_id": 16,
      "delay": 7.972,
      "onscreen_delay": 6.183,
      "typing_delay": 1.789,
      "typing_duration": 5.475,
      "wpm": 30,
      "message": "ปรับสคริปท์ "
    },
    {
      "message_id": 1141,
      "agent_id": 29,
      "delay": 3.961,
      "onscreen_delay": 3.6,
      "typing_delay": 0.361,
      "typing_duration": 7.261,
      "wpm": 72,
      "message": "ได้แล้ว เอาคำตอบ 2 ส่วนนี้ มาบวกกัน"
    },
    {
      "message_id": 1142,
      "agent_id": 13,
      "delay": 3.259,
      "onscreen_delay": 2.362,
      "typing_delay": 0.897,
      "typing_duration": 9.536,
      "wpm": 53,
      "message": "คำตอบที่ได้ จึงมีค่าเป็น ตำตอบนะคะ "
    },
    {
      "message_id": 1143,
      "agent_id": 14,
      "delay": 5.534,
      "onscreen_delay": 4.481,
      "typing_delay": 1.053,
      "typing_duration": 8.692,
      "wpm": 47,
      "message": "เท่ากับ... ครูเขียนสีดำนะคะ "
    },
    {
      "message_id": 1144,
      "agent_id": 16,
      "delay": 4.69,
      "onscreen_delay": 2.622,
      "typing_delay": 2.068,
      "typing_duration": 8.491,
      "wpm": 60,
      "message": "เท่ากับ เขียนจำนวนเต็มก่อนนะคะ 100 "
    },
    {
      "message_id": 1145,
      "agent_id": 29,
      "delay": 4.491,
      "onscreen_delay": 4.018,
      "typing_delay": 0.473,
      "typing_duration": 10.532,
      "wpm": 9,
      "message": "100111"
    },
    {
      "message_id": 1146,
      "agent_id": 13,
      "delay": 6.531,
      "onscreen_delay": 5.768,
      "typing_delay": 0.763,
      "typing_duration": 13.193,
      "wpm": 33,
      "message": "11 5 ตัว แล้วตามด้วยจุดทศนิยม "
    },
    {
      "message_id": 1147,
      "agent_id": 14,
      "delay": 9.174,
      "onscreen_delay": 8.106,
      "typing_delay": 1.068,
      "typing_duration": 13.022,
      "wpm": 33,
      "message": "เอาส่วนที่ 2 มาใส่ 1001 ฐาน 2 "
    },
    {
      "message_id": 1148,
      "agent_id": 16,
      "delay": 9.021,
      "onscreen_delay": 7.196,
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      "message": "1001 32 "
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      "agent_id": 29,
      "delay": 5.02,
      "onscreen_delay": 3.841,
      "typing_delay": 1.179,
      "typing_duration": 4.379,
      "wpm": 51,
      "message": "เห็นไหม สนุกมาก"
    },
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      "delay": 9.84,
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      "delay": 5.838,
      "onscreen_delay": 1.247,
      "typing_delay": 4.591,
      "typing_duration": 9.804,
      "wpm": 6,
      "message": "โอเค "
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      "delay": 5.803,
      "onscreen_delay": 2.291,
      "typing_delay": 3.512,
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      "wpm": 46,
      "message": "นักศึกษามีคำถามไหมเอ่ย "
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      "delay": 3.127,
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      "message": "มีไหมเอ่ย "
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      "delay": 15,
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      "delay": 10.998,
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      "typing_delay": 1.929,
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      "wpm": 56,
      "message": "ถ้าไม่มีคำถามเดี๋ยวเราพักกัน"
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      "agent_id": 16,
      "delay": 6.997,
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      "typing_delay": 1.032,
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      "wpm": 68,
      "message": "สัก 5 นาทีนะคะ แล้วค่อยกลับมาดูเลขฐาน 8 "
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      "agent_id": 29,
      "delay": 4.542,
      "onscreen_delay": 3.31,
      "typing_delay": 1.232,
      "typing_duration": 9.221,
      "wpm": 47,
      "message": "ก่อนที่เราจะเรียนจบตัวนี้นะคะ "
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      "delay": 5.221,
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      "message": "เดี๋ยวจะขอสอนต่ออีกเรื่อหนึ่ง คือ เลขญานแปด "
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      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1325,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1326,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1327,
      "agent_id": 14,
      "delay": 15.014,
      "onscreen_delay": 0,
      "typing_delay": 15.014,
      "typing_duration": 15.014,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1328,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1329,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1330,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1331,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 2.347,
      "typing_delay": 8.653,
      "typing_duration": 8.653,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1332,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 0.267,
      "typing_delay": 6.73,
      "typing_duration": 13.239,
      "wpm": 40,
      "message": "ค่ะ สวัสดีค่ะ นักศึกษากลับมาหรือยัง "
    },
    {
      "message_id": 1333,
      "agent_id": 29,
      "delay": 9.237,
      "onscreen_delay": 5.085,
      "typing_delay": 4.152,
      "typing_duration": 4.152,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1334,
      "agent_id": 13,
      "delay": 9.185,
      "onscreen_delay": 0,
      "typing_delay": 9.185,
      "typing_duration": 9.185,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1335,
      "agent_id": 14,
      "delay": 5.18,
      "onscreen_delay": 3.698,
      "typing_delay": 1.482,
      "typing_duration": 14.592,
      "wpm": 60,
      "message": "เรามาต่อพาร์ท 2 ของวันนี้นะคะ เดี๋ยวเราจะคุยกันสักเล็กน้อย"
    },
    {
      "message_id": 1336,
      "agent_id": 16,
      "delay": 10.582,
      "onscreen_delay": 9.806,
      "typing_delay": 0.776,
      "typing_duration": 6.148,
      "wpm": 68,
      "message": "ก่อนจะพักไปทานข้าวเที่ยงนะคะ "
    },
    {
      "message_id": 1337,
      "agent_id": 29,
      "delay": 6.577,
      "onscreen_delay": 4.291,
      "typing_delay": 2.286,
      "typing_duration": 14.261,
      "wpm": 6,
      "message": "เดี๋ยว"
    },
    {
      "message_id": 1338,
      "agent_id": 13,
      "delay": 10.261,
      "onscreen_delay": 9.582,
      "typing_delay": 0.679,
      "typing_duration": 12.608,
      "wpm": 46,
      "message": "เราตั้งใจฟังเนื้อหาเลขฐานแปดสักเล็กน้อย "
    },
    {
      "message_id": 1339,
      "agent_id": 14,
      "delay": 8.602,
      "onscreen_delay": 8.243,
      "typing_delay": 0.359,
      "typing_duration": 7.547,
      "wpm": 32,
      "message": "กับเลขฐานสองนะคะ "
    },
    {
      "message_id": 1340,
      "agent_id": 16,
      "delay": 4.601,
      "onscreen_delay": 3.811,
      "typing_delay": 0.79,
      "typing_duration": 4.11,
      "wpm": 22,
      "message": "ตอนนี้ "
    },
    {
      "message_id": 1341,
      "agent_id": 29,
      "delay": 4.389,
      "onscreen_delay": 0,
      "typing_delay": 4.389,
      "typing_duration": 4.389,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1342,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1343,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 8.732,
      "typing_delay": 2.266,
      "typing_duration": 8.665,
      "wpm": 42,
      "message": "ตอนนี้เราอยู่กระดานหน้าท"
    },
    {
      "message_id": 1344,
      "agent_id": 16,
      "delay": 6.994,
      "onscreen_delay": 6.205,
      "typing_delay": 0.789,
      "typing_duration": 7.66,
      "wpm": 72,
      "message": "ที่ 7 เราจะไปกระดานหน้าที่ 8 กัน โอเค "
    },
    {
      "message_id": 1345,
      "agent_id": 29,
      "delay": 3.659,
      "onscreen_delay": 0.16,
      "typing_delay": 3.499,
      "typing_duration": 14.502,
      "wpm": 27,
      "message": "ก่อนที่เราจะเรียนแลขฐานแปด "
    },
    {
      "message_id": 1346,
      "agent_id": 13,
      "delay": 10.501,
      "onscreen_delay": 8.882,
      "typing_delay": 1.619,
      "typing_duration": 10.665,
      "wpm": 45,
      "message": "เรามาท่องแม่สูตรคูรแม่ 8 กันก่อน"
    },
    {
      "message_id": 1347,
      "agent_id": 14,
      "delay": 6.663,
      "onscreen_delay": 6.129,
      "typing_delay": 0.534,
      "typing_duration": 7.424,
      "wpm": 65,
      "message": "นะคะ เพราะว่าแม่สูตรคูณแม่ 8 นี่"
    },
    {
      "message_id": 1348,
      "agent_id": 16,
      "delay": 3.423,
      "onscreen_delay": 1.808,
      "typing_delay": 1.615,
      "typing_duration": 10.746,
      "wpm": 52,
      "message": "จะช่วยให้เราสร้างเลขฐาน 2 ได้ง่ายขึ้น "
    },
    {
      "message_id": 1349,
      "agent_id": 29,
      "delay": 6.744,
      "onscreen_delay": 6.4,
      "typing_delay": 0.344,
      "typing_duration": 5.712,
      "wpm": 37,
      "message": "มาทบทวนกันก่อน "
    },
    {
      "message_id": 1350,
      "agent_id": 13,
      "delay": 4.481,
      "onscreen_delay": 0,
      "typing_delay": 4.481,
      "typing_duration": 6.449,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1351,
      "agent_id": 14,
      "delay": 2.448,
      "onscreen_delay": 1.705,
      "typing_delay": 0.743,
      "typing_duration": 11.18,
      "wpm": 64,
      "message": "แม่สูตรคูณแม่ 8 นะคะ ท่องแม่สูตรคูณแม่ 8 กันก่อน "
    },
    {
      "message_id": 1352,
      "agent_id": 16,
      "delay": 7.175,
      "onscreen_delay": 6.339,
      "typing_delay": 0.836,
      "typing_duration": 4.753,
      "wpm": 63,
      "message": "8 คูณ 1 เป็นอะไรคะ 8 "
    },
    {
      "message_id": 1353,
      "agent_id": 29,
      "delay": 3.173,
      "onscreen_delay": 0.502,
      "typing_delay": 2.671,
      "typing_duration": 8.116,
      "wpm": 18,
      "message": "8 x 2 เป็น "
    },
    {
      "message_id": 1354,
      "agent_id": 13,
      "delay": 4.114,
      "onscreen_delay": 2.939,
      "typing_delay": 1.175,
      "typing_duration": 12.618,
      "wpm": 18,
      "message": "16 8 คูณ 3 เป็น"
    },
    {
      "message_id": 1355,
      "agent_id": 14,
      "delay": 8.617,
      "onscreen_delay": 7.812,
      "typing_delay": 0.805,
      "typing_duration": 4.252,
      "wpm": 35,
      "message": "เท่าไรเอ่ย "
    },
    {
      "message_id": 1356,
      "agent_id": 16,
      "delay": 6.025,
      "onscreen_delay": 0,
      "typing_delay": 6.025,
      "typing_duration": 6.025,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1357,
      "agent_id": 29,
      "delay": 5.206,
      "onscreen_delay": 0,
      "typing_delay": 5.206,
      "typing_duration": 5.206,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1358,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1359,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 6.675,
      "typing_delay": 4.324,
      "typing_duration": 4.324,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1360,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 4.259,
      "typing_delay": 2.738,
      "typing_duration": 11.345,
      "wpm": 41,
      "message": "(ล่าม) 3 24 ค่ะ 8 คูณ 3 เป็น 24 "
    },
    {
      "message_id": 1361,
      "agent_id": 29,
      "delay": 7.344,
      "onscreen_delay": 2.17,
      "typing_delay": 5.174,
      "typing_duration": 8.015,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1362,
      "agent_id": 13,
      "delay": 4.013,
      "onscreen_delay": 2.652,
      "typing_delay": 1.361,
      "typing_duration": 7.862,
      "wpm": 55,
      "message": "ตอนนี้อยู่สไลด์หน้าที่ 9 นะคะ "
    },
    {
      "message_id": 1363,
      "agent_id": 14,
      "delay": 3.86,
      "onscreen_delay": 2.534,
      "typing_delay": 1.326,
      "typing_duration": 7.019,
      "wpm": 15,
      "message": "8 คูณ 4 "
    },
    {
      "message_id": 1364,
      "agent_id": 16,
      "delay": 6.102,
      "onscreen_delay": 0,
      "typing_delay": 6.102,
      "typing_duration": 6.102,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1365,
      "agent_id": 29,
      "delay": 2.101,
      "onscreen_delay": 1.014,
      "typing_delay": 1.087,
      "typing_duration": 5.574,
      "wpm": 46,
      "message": "(ล่าม) 8 4 32 ค่ะ "
    },
    {
      "message_id": 1366,
      "agent_id": 13,
      "delay": 3.45,
      "onscreen_delay": 0,
      "typing_delay": 3.45,
      "typing_duration": 11.593,
      "wpm": 58,
      "message": "(อาจารย์ชนัญกาญจน์) ถ้าครูพิมพ์ผิดบอกด้วยนะคะ "
    },
    {
      "message_id": 1367,
      "agent_id": 14,
      "delay": 7.592,
      "onscreen_delay": 7.312,
      "typing_delay": 0.28,
      "typing_duration": 11.584,
      "wpm": 62,
      "message": "เป็นคูณ... อันนี้ครูตอบเองครูชอบ 8 คูณ 5 เป็น 40 "
    },
    {
      "message_id": 1368,
      "agent_id": 16,
      "delay": 7.558,
      "onscreen_delay": 4.709,
      "typing_delay": 2.849,
      "typing_duration": 7.451,
      "wpm": 30,
      "message": "8 คูณ 6 เป็น 48 "
    },
    {
      "message_id": 1369,
      "agent_id": 29,
      "delay": 3.554,
      "onscreen_delay": 1.868,
      "typing_delay": 1.686,
      "typing_duration": 13.599,
      "wpm": 25,
      "message": "48 8 x 7 เป็นเท่าไรเอ่ย "
    },
    {
      "message_id": 1370,
      "agent_id": 13,
      "delay": 9.599,
      "onscreen_delay": 7.922,
      "typing_delay": 1.677,
      "typing_duration": 7.509,
      "wpm": 16,
      "message": "8 7 เป็น "
    },
    {
      "message_id": 1371,
      "agent_id": 14,
      "delay": 5.597,
      "onscreen_delay": 5.414,
      "typing_delay": 0.183,
      "typing_duration": 6.394,
      "wpm": 14,
      "message": "56 8 8 "
    },
    {
      "message_id": 1372,
      "agent_id": 16,
      "delay": 2.391,
      "onscreen_delay": 1.797,
      "typing_delay": 0.594,
      "typing_duration": 11.462,
      "wpm": 52,
      "message": "เป็นเท่าไหร่คะ 8 8 (นักศึกษาหญิง) 64 ค่ะ "
    },
    {
      "message_id": 1373,
      "agent_id": 29,
      "delay": 7.46,
      "onscreen_delay": 6.122,
      "typing_delay": 1.338,
      "typing_duration": 8.344,
      "wpm": 70,
      "message": "(อาจารย์ชนัญกาญจน์) โอเคขอบคุณมาก 8 x 9 "
    },
    {
      "message_id": 1374,
      "agent_id": 13,
      "delay": 4.342,
      "onscreen_delay": 2.832,
      "typing_delay": 1.51,
      "typing_duration": 8.643,
      "wpm": 52,
      "message": "8 9 เป็น (นักศึกษาหญิง) 72 ค่ะ "
    },
    {
      "message_id": 1375,
      "agent_id": 14,
      "delay": 4.64,
      "onscreen_delay": 3.034,
      "typing_delay": 1.606,
      "typing_duration": 9.54,
      "wpm": 63,
      "message": "(อาจารย์ชนัญกาญจน์) 72 ครูเขียนผิดจริง ๆ "
    },
    {
      "message_id": 1376,
      "agent_id": 16,
      "delay": 5.535,
      "onscreen_delay": 1.519,
      "typing_delay": 4.016,
      "typing_duration": 7.234,
      "wpm": 27,
      "message": "72 ขอบคุณนะคะ "
    },
    {
      "message_id": 1377,
      "agent_id": 29,
      "delay": 3.232,
      "onscreen_delay": 2.37,
      "typing_delay": 0.862,
      "typing_duration": 9.238,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1378,
      "agent_id": 13,
      "delay": 5.235,
      "onscreen_delay": 3.518,
      "typing_delay": 1.717,
      "typing_duration": 13.981,
      "wpm": 46,
      "message": "รีบหิวขาว 8 คูณ 10 ไม่ต้องตอบนะ ครูจะตอบเอง "
    },
    {
      "message_id": 1379,
      "agent_id": 14,
      "delay": 9.978,
      "onscreen_delay": 7.807,
      "typing_delay": 2.171,
      "typing_duration": 7.426,
      "wpm": 34,
      "message": "8 10 เป็น 80 โอเค "
    },
    {
      "message_id": 1380,
      "agent_id": 16,
      "delay": 5.975,
      "onscreen_delay": 3.833,
      "typing_delay": 2.142,
      "typing_duration": 5.748,
      "wpm": 52,
      "message": "อันนี้ก็เป็นการทบทวน "
    },
    {
      "message_id": 1381,
      "agent_id": 29,
      "delay": 1.974,
      "onscreen_delay": 0.994,
      "typing_delay": 0.98,
      "typing_duration": 8.114,
      "wpm": 30,
      "message": "แม่สูตรคููณแม่ 8 "
    },
    {
      "message_id": 1382,
      "agent_id": 13,
      "delay": 4.113,
      "onscreen_delay": 2.831,
      "typing_delay": 1.282,
      "typing_duration": 6.502,
      "wpm": 42,
      "message": "เดี๋ยวเราจะมาลองดู"
    },
    {
      "message_id": 1383,
      "agent_id": 14,
      "delay": 2.5,
      "onscreen_delay": 2.203,
      "typing_delay": 0.297,
      "typing_duration": 10.122,
      "wpm": 43,
      "message": "การสร้างเลขฐานแปดนี่มันก็จะมี"
    },
    {
      "message_id": 1384,
      "agent_id": 16,
      "delay": 6.121,
      "onscreen_delay": 5.558,
      "typing_delay": 0.563,
      "typing_duration": 6.706,
      "wpm": 74,
      "message": "หลักการเหมือนเลขฐาน 2 ดังต่อไปนี้ "
    },
    {
      "message_id": 1385,
      "agent_id": 29,
      "delay": 3.795,
      "onscreen_delay": 0,
      "typing_delay": 3.795,
      "typing_duration": 13.053,
      "wpm": 44,
      "message": "เดี๋ยวแป๊บหนึ่ง อันนี้เป็นสูตรคูณแม่ 8 "
    },
    {
      "message_id": 1386,
      "agent_id": 13,
      "delay": 9.052,
      "onscreen_delay": 6.885,
      "typing_delay": 2.167,
      "typing_duration": 11.926,
      "wpm": 31,
      "message": "อันนี้เป็นแม่สูตรคูณแม่ 8 "
    },
    {
      "message_id": 1387,
      "agent_id": 14,
      "delay": 7.924,
      "onscreen_delay": 7.149,
      "typing_delay": 0.775,
      "typing_duration": 8.763,
      "wpm": 55,
      "message": "เดี๋ยวก่อน ครูทวนอีกนิดหนึ่งนะคะ "
    },
    {
      "message_id": 1388,
      "agent_id": 16,
      "delay": 4.762,
      "onscreen_delay": 3.475,
      "typing_delay": 1.287,
      "typing_duration": 7.638,
      "wpm": 73,
      "message": "เลขยกกำลังบ้าง 8 ยกกำลัง 1 เป็นอะไรคะ "
    },
    {
      "message_id": 1389,
      "agent_id": 29,
      "delay": 3.636,
      "onscreen_delay": 2.058,
      "typing_delay": 1.578,
      "typing_duration": 9.967,
      "wpm": 51,
      "message": "เริ่มจาก 8 ยกกำลัง 0 อันนี้ทบทวนนะ "
    },
    {
      "message_id": 1390,
      "agent_id": 13,
      "delay": 5.964,
      "onscreen_delay": 4.185,
      "typing_delay": 1.779,
      "typing_duration": 7.496,
      "wpm": 52,
      "message": "เดี๋ยวเราจะได้ไปแบบเร็วได้ "
    },
    {
      "message_id": 1391,
      "agent_id": 14,
      "delay": 3.495,
      "onscreen_delay": 3.347,
      "typing_delay": 0.148,
      "typing_duration": 12.496,
      "wpm": 62,
      "message": "อะไรก็ตามที่ยกกำลัง 0 มีค่าเป็น 1 ยกเว้น 0 ยกกำลัง 0 "
    },
    {
      "message_id": 1392,
      "agent_id": 16,
      "delay": 8.495,
      "onscreen_delay": 7.853,
      "typing_delay": 0.642,
      "typing_duration": 11.255,
      "wpm": 48,
      "message": "ไม่นิยามนะ 8 ยกกำลัง 1 ก็มีค่าเป็น 8 "
    },
    {
      "message_id": 1393,
      "agent_id": 29,
      "delay": 7.252,
      "onscreen_delay": 6.27,
      "typing_delay": 0.982,
      "typing_duration": 10.862,
      "wpm": 32,
      "message": "เป็น 8 8 ยกกำลัง 2 เป็น "
    },
    {
      "message_id": 1394,
      "agent_id": 13,
      "delay": 6.86,
      "onscreen_delay": 6.599,
      "typing_delay": 0.261,
      "typing_duration": 8.459,
      "wpm": 35,
      "message": "8 คูณกัน 2 ครั้ง 8 8 "
    },
    {
      "message_id": 1395,
      "agent_id": 14,
      "delay": 4.458,
      "onscreen_delay": 4.3,
      "typing_delay": 0.158,
      "typing_duration": 14.25,
      "wpm": 80,
      "message": "เป็น 64 (ล่าม) ตอนนี้อาจารย์กำลังเขียนอยู่ไหมคะ (อาจารย์ชนัญกาญจน์) เขียนค่ะ "
    },
    {
      "message_id": 1396,
      "agent_id": 16,
      "delay": 10.247,
      "onscreen_delay": 7.593,
      "typing_delay": 2.654,
      "typing_duration": 10.57,
      "wpm": 30,
      "message": "อยู่ในแจมบอร์ดค่ะ แต่"
    },
    {
      "message_id": 1397,
      "agent_id": 29,
      "delay": 6.569,
      "onscreen_delay": 5.092,
      "typing_delay": 1.477,
      "typing_duration": 7.619,
      "wpm": 65,
      "message": "ของล่ามอยู่ที่คูณแม่ 8 ค่ะอาจารย์ "
    },
    {
      "message_id": 1398,
      "agent_id": 13,
      "delay": 3.618,
      "onscreen_delay": 1.899,
      "typing_delay": 1.719,
      "typing_duration": 10.093,
      "wpm": 70,
      "message": "ยังไม่เห็นอาจารย์ยกกำลังค่ะ (อาจารย์ชนัญกาญจน์) "
    },
    {
      "message_id": 1399,
      "agent_id": 14,
      "delay": 6.091,
      "onscreen_delay": 5.842,
      "typing_delay": 0.249,
      "typing_duration": 9.738,
      "wpm": 77,
      "message": "แป๊บหนึ่งนะคะ (ล่าม) ขอบคุณค่ะ (อาจารย์ชนัญกาญจน์) "
    },
    {
      "message_id": 1400,
      "agent_id": 16,
      "delay": 5.737,
      "onscreen_delay": 4.359,
      "typing_delay": 1.378,
      "typing_duration": 4.767,
      "wpm": 25,
      "message": "เดี๋ยวนะ "
    },
    {
      "message_id": 1401,
      "agent_id": 29,
      "delay": 1.737,
      "onscreen_delay": 0.009,
      "typing_delay": 1.728,
      "typing_duration": 5.744,
      "wpm": 29,
      "message": "มันดีเลหรือ "
    },
    {
      "message_id": 1402,
      "agent_id": 13,
      "delay": 1.743,
      "onscreen_delay": 1.273,
      "typing_delay": 0.47,
      "typing_duration": 6.44,
      "wpm": 70,
      "message": "แป๊บหนึ่ง (ล่าม) ได้ค่ะอาจารย์ "
    },
    {
      "message_id": 1403,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1404,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1405,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 7.606,
      "typing_delay": 3.395,
      "typing_duration": 8.275,
      "wpm": 16,
      "message": "เดี๋ยว... "
    },
    {
      "message_id": 1406,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1407,
      "agent_id": 14,
      "delay": 11.001,
      "onscreen_delay": 6.518,
      "typing_delay": 4.483,
      "typing_duration": 4.483,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1408,
      "agent_id": 16,
      "delay": 7.011,
      "onscreen_delay": 0,
      "typing_delay": 7.011,
      "typing_duration": 7.011,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1409,
      "agent_id": 29,
      "delay": 5.952,
      "onscreen_delay": 0,
      "typing_delay": 5.952,
      "typing_duration": 5.952,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1410,
      "agent_id": 13,
      "delay": 2.082,
      "onscreen_delay": 0,
      "typing_delay": 2.082,
      "typing_duration": 7.342,
      "wpm": 29,
      "message": "หน้าที่ 9 เอ๊ะ "
    },
    {
      "message_id": 1411,
      "agent_id": 14,
      "delay": 3.34,
      "onscreen_delay": 2.961,
      "typing_delay": 0.379,
      "typing_duration": 11.211,
      "wpm": 31,
      "message": "ทำไม... เดี๋ยวแป๊บหนึ่ง "
    },
    {
      "message_id": 1412,
      "agent_id": 16,
      "delay": 7.209,
      "onscreen_delay": 3.609,
      "typing_delay": 3.6,
      "typing_duration": 5.238,
      "wpm": 23,
      "message": "เดี๋ยวรอ"
    },
    {
      "message_id": 1413,
      "agent_id": 29,
      "delay": 4.357,
      "onscreen_delay": 0,
      "typing_delay": 4.357,
      "typing_duration": 4.357,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1414,
      "agent_id": 13,
      "delay": 14.999,
      "onscreen_delay": 0,
      "typing_delay": 14.999,
      "typing_duration": 14.999,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1415,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1416,
      "agent_id": 16,
      "delay": 11,
      "onscreen_delay": 6.819,
      "typing_delay": 4.181,
      "typing_duration": 4.181,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1417,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1418,
      "agent_id": 13,
      "delay": 10.997,
      "onscreen_delay": 6.592,
      "typing_delay": 4.405,
      "typing_duration": 4.405,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1419,
      "agent_id": 14,
      "delay": 6.995,
      "onscreen_delay": 1.25,
      "typing_delay": 5.745,
      "typing_duration": 5.745,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1420,
      "agent_id": 16,
      "delay": 4.27,
      "onscreen_delay": 0,
      "typing_delay": 4.27,
      "typing_duration": 4.27,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1421,
      "agent_id": 29,
      "delay": 14.999,
      "onscreen_delay": 0,
      "typing_delay": 14.999,
      "typing_duration": 14.999,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1422,
      "agent_id": 13,
      "delay": 10.997,
      "onscreen_delay": 2.005,
      "typing_delay": 8.992,
      "typing_duration": 8.992,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1423,
      "agent_id": 14,
      "delay": 6.995,
      "onscreen_delay": 4.648,
      "typing_delay": 2.347,
      "typing_duration": 13.115,
      "wpm": 29,
      "message": "(ล่าม) ตอนนี้ขึ้นแล้วนะคะ "
    },
    {
      "message_id": 1424,
      "agent_id": 16,
      "delay": 9.114,
      "onscreen_delay": 8.099,
      "typing_delay": 1.015,
      "typing_duration": 6.383,
      "wpm": 80,
      "message": "เห็น 8 เป็นกำลัง 0 แล้วค่ะ อาจารย์ "
    },
    {
      "message_id": 1425,
      "agent_id": 29,
      "delay": 7.691,
      "onscreen_delay": 0,
      "typing_delay": 7.691,
      "typing_duration": 7.691,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1426,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1427,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1428,
      "agent_id": 16,
      "delay": 10.999,
      "onscreen_delay": 5.046,
      "typing_delay": 5.953,
      "typing_duration": 5.953,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1429,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1430,
      "agent_id": 13,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1431,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1432,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1433,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1434,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1435,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1436,
      "agent_id": 16,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1437,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1438,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1439,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1440,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1441,
      "agent_id": 29,
      "delay": 10.996,
      "onscreen_delay": 6.1,
      "typing_delay": 4.896,
      "typing_duration": 4.896,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1442,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1443,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1444,
      "agent_id": 16,
      "delay": 11.002,
      "onscreen_delay": 5.948,
      "typing_delay": 5.054,
      "typing_duration": 5.054,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1445,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1446,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1447,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 7.565,
      "typing_delay": 3.434,
      "typing_duration": 14.662,
      "wpm": 45,
      "message": "(ล่าม) ตอนนี้ทางล่ามไม่ได้ยินเสียงอาจารย์ค่ะ "
    },
    {
      "message_id": 1448,
      "agent_id": 16,
      "delay": 10.659,
      "onscreen_delay": 6.099,
      "typing_delay": 4.56,
      "typing_duration": 13.111,
      "wpm": 50,
      "message": "(ล่าม) ตอนนี้ทางล่ามไม่ได้ยินเสียงอาจารย์ค่ะ "
    },
    {
      "message_id": 1449,
      "agent_id": 29,
      "delay": 9.11,
      "onscreen_delay": 6.332,
      "typing_delay": 2.778,
      "typing_duration": 10.932,
      "wpm": 67,
      "message": "ได้ยินใช่ไหมคะ ทางล่ามไม่ได้ยินเสียงอาจารย์เลยค่ะ "
    },
    {
      "message_id": 1450,
      "agent_id": 13,
      "delay": 6.93,
      "onscreen_delay": 3.213,
      "typing_delay": 3.717,
      "typing_duration": 7.283,
      "wpm": 41,
      "message": "(นักศึกษาชาย) ฮัลโหล "
    },
    {
      "message_id": 1451,
      "agent_id": 14,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1452,
      "agent_id": 16,
      "delay": 11,
      "onscreen_delay": 2.312,
      "typing_delay": 8.688,
      "typing_duration": 8.688,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1453,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 3.813,
      "typing_delay": 3.184,
      "typing_duration": 11.884,
      "wpm": 49,
      "message": "(อาจารย์ชนัญกาญจน์) โอเคเมื่อกี้ปิดไมค์ "
    },
    {
      "message_id": 1454,
      "agent_id": 13,
      "delay": 7.882,
      "onscreen_delay": 6.137,
      "typing_delay": 1.745,
      "typing_duration": 8.373,
      "wpm": 30,
      "message": "ปิดไมค์ผิด (ล่าม) "
    },
    {
      "message_id": 1455,
      "agent_id": 14,
      "delay": 4.372,
      "onscreen_delay": 4.129,
      "typing_delay": 0.243,
      "typing_duration": 7.679,
      "wpm": 98,
      "message": "ได้ค่ะอาจารย์ (อาจารย์ชนัญกาญจน์) ขอบคุณค่ะ ขอบคุณ "
    },
    {
      "message_id": 1456,
      "agent_id": 16,
      "delay": 3.677,
      "onscreen_delay": 2.388,
      "typing_delay": 1.289,
      "typing_duration": 10.058,
      "wpm": 19,
      "message": "ต่อไป 8 คูณ 6 "
    },
    {
      "message_id": 1457,
      "agent_id": 29,
      "delay": 6.053,
      "onscreen_delay": 5.545,
      "typing_delay": 0.508,
      "typing_duration": 10.053,
      "wpm": 22,
      "message": "เป็น 48 บวกทด 3 "
    },
    {
      "message_id": 1458,
      "agent_id": 13,
      "delay": 6.051,
      "onscreen_delay": 4.141,
      "typing_delay": 1.91,
      "typing_duration": 7.527,
      "wpm": 40,
      "message": "เป็นเท่าไรคะ ดูคำตอบ "
    },
    {
      "message_id": 1459,
      "agent_id": 14,
      "delay": 3.499,
      "onscreen_delay": 0,
      "typing_delay": 3.499,
      "typing_duration": 10.422,
      "wpm": 43,
      "message": "เดี๋ยวให้นักศึกษาบอกครูหน่อยนะ "
    },
    {
      "message_id": 1460,
      "agent_id": 16,
      "delay": 6.421,
      "onscreen_delay": 4.793,
      "typing_delay": 1.628,
      "typing_duration": 5.004,
      "wpm": 54,
      "message": "เดี๋ยวครูคิดเลขผิด"
    },
    {
      "message_id": 1461,
      "agent_id": 29,
      "delay": 4.838,
      "onscreen_delay": 0,
      "typing_delay": 4.838,
      "typing_duration": 4.838,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1462,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1463,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 5.777,
      "typing_delay": 5.223,
      "typing_duration": 5.223,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1464,
      "agent_id": 16,
      "delay": 6.998,
      "onscreen_delay": 2.633,
      "typing_delay": 4.365,
      "typing_duration": 4.365,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1465,
      "agent_id": 29,
      "delay": 9.343,
      "onscreen_delay": 0,
      "typing_delay": 9.343,
      "typing_duration": 9.343,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1466,
      "agent_id": 13,
      "delay": 5.341,
      "onscreen_delay": 0.605,
      "typing_delay": 4.736,
      "typing_duration": 8.587,
      "wpm": 14,
      "message": "48 โอ้โห "
    },
    {
      "message_id": 1467,
      "agent_id": 14,
      "delay": 4.585,
      "onscreen_delay": 2.683,
      "typing_delay": 1.902,
      "typing_duration": 5.874,
      "wpm": 66,
      "message": "มีคำตอบมาจากในห้องแล้วนะคะ "
    },
    {
      "message_id": 1468,
      "agent_id": 16,
      "delay": 2.154,
      "onscreen_delay": 0,
      "typing_delay": 2.154,
      "typing_duration": 6.505,
      "wpm": 46,
      "message": "เดี๋ยวลองเพื่อนพิเศษ"
    },
    {
      "message_id": 1469,
      "agent_id": 29,
      "delay": 2.503,
      "onscreen_delay": 1.119,
      "typing_delay": 1.384,
      "typing_duration": 6.79,
      "wpm": 75,
      "message": "ว่าจะตรงกับเราไหม รอเพื่อนนิดหนึ่ง "
    },
    {
      "message_id": 1470,
      "agent_id": 13,
      "delay": 2.789,
      "onscreen_delay": 0.58,
      "typing_delay": 2.209,
      "typing_duration": 11.033,
      "wpm": 37,
      "message": "8 คูณ 6 เป็น 48 แต่บวกตัวทด"
    },
    {
      "message_id": 1471,
      "agent_id": 14,
      "delay": 7.032,
      "onscreen_delay": 6.872,
      "typing_delay": 0.16,
      "typing_duration": 13.47,
      "wpm": 36,
      "message": "ได้ 3 นะจ๊ะ alphabet ตอบมาใหม่นะ "
    },
    {
      "message_id": 1472,
      "agent_id": 16,
      "delay": 9.469,
      "onscreen_delay": 8.554,
      "typing_delay": 0.915,
      "typing_duration": 4.235,
      "wpm": 21,
      "message": "บวก 13 "
    },
    {
      "message_id": 1473,
      "agent_id": 29,
      "delay": 5.468,
      "onscreen_delay": 1.801,
      "typing_delay": 3.667,
      "typing_duration": 6.064,
      "wpm": 35,
      "message": "เป็น 50 เท่าไร "
    },
    {
      "message_id": 1474,
      "agent_id": 13,
      "delay": 2.063,
      "onscreen_delay": 0.159,
      "typing_delay": 1.904,
      "typing_duration": 13.76,
      "wpm": 28,
      "message": "เป็น 50 เท่าไร 57 Thankyou "
    },
    {
      "message_id": 1475,
      "agent_id": 14,
      "delay": 9.759,
      "onscreen_delay": 5.492,
      "typing_delay": 4.267,
      "typing_duration": 13.233,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1476,
      "agent_id": 16,
      "delay": 9.23,
      "onscreen_delay": 8.825,
      "typing_delay": 0.405,
      "typing_duration": 5.361,
      "wpm": 81,
      "message": "เดี๋ยวรอเพื่อนสักนิดหนึ่งนะคะ "
    },
    {
      "message_id": 1477,
      "agent_id": 29,
      "delay": 5.229,
      "onscreen_delay": 0.936,
      "typing_delay": 4.293,
      "typing_duration": 4.293,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1478,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1479,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1480,
      "agent_id": 16,
      "delay": 11.002,
      "onscreen_delay": 3.193,
      "typing_delay": 7.809,
      "typing_duration": 7.809,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1481,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1482,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1483,
      "agent_id": 14,
      "delay": 12.276,
      "onscreen_delay": 0,
      "typing_delay": 12.276,
      "typing_duration": 12.276,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1484,
      "agent_id": 16,
      "delay": 8.273,
      "onscreen_delay": 4.015,
      "typing_delay": 4.258,
      "typing_duration": 4.258,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1485,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1486,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1487,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 4.264,
      "typing_delay": 6.735,
      "typing_duration": 6.735,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1488,
      "agent_id": 16,
      "delay": 6.998,
      "onscreen_delay": 2.894,
      "typing_delay": 4.104,
      "typing_duration": 4.104,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1489,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1490,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1491,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.585,
      "typing_delay": 4.415,
      "typing_duration": 4.415,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1492,
      "agent_id": 16,
      "delay": 6.995,
      "onscreen_delay": 5.666,
      "typing_delay": 1.329,
      "typing_duration": 7.436,
      "wpm": 61,
      "message": "โอเคค่ะ ได้เท่าไหร่คะ นักศึกษา"
    },
    {
      "message_id": 1493,
      "agent_id": 29,
      "delay": 3.434,
      "onscreen_delay": 1.493,
      "typing_delay": 1.941,
      "typing_duration": 5.435,
      "wpm": 61,
      "message": "เดี๋ยวรอเพื่อนนิดหนึ่ง "
    },
    {
      "message_id": 1494,
      "agent_id": 13,
      "delay": 3.571,
      "onscreen_delay": 0,
      "typing_delay": 3.571,
      "typing_duration": 6.179,
      "wpm": 22,
      "message": "(ล่าม) 51 "
    },
    {
      "message_id": 1495,
      "agent_id": 14,
      "delay": 2.178,
      "onscreen_delay": 1.801,
      "typing_delay": 0.377,
      "typing_duration": 10.292,
      "wpm": 61,
      "message": "ได้ 512 ค่ะ (อาจารย์ชนัญกาญจน์) ถูกต้องค่ะ "
    },
    {
      "message_id": 1496,
      "agent_id": 16,
      "delay": 6.291,
      "onscreen_delay": 6.155,
      "typing_delay": 0.136,
      "typing_duration": 3.948,
      "wpm": 72,
      "message": "เพราะว่ามีเพื่อนเขา "
    },
    {
      "message_id": 1497,
      "agent_id": 29,
      "delay": 2.289,
      "onscreen_delay": 1.042,
      "typing_delay": 1.247,
      "typing_duration": 10.614,
      "wpm": 25,
      "message": "แสดงว่าได้เป็น 512 "
    },
    {
      "message_id": 1498,
      "agent_id": 13,
      "delay": 6.603,
      "onscreen_delay": 4.032,
      "typing_delay": 2.571,
      "typing_duration": 9.061,
      "wpm": 12,
      "message": "ต่อไป 8 "
    },
    {
      "message_id": 1499,
      "agent_id": 14,
      "delay": 5.058,
      "onscreen_delay": 4.47,
      "typing_delay": 0.588,
      "typing_duration": 10.018,
      "wpm": 13,
      "message": "ยกกำลัง 4 "
    },
    {
      "message_id": 1500,
      "agent_id": 16,
      "delay": 6.017,
      "onscreen_delay": 5.874,
      "typing_delay": 0.143,
      "typing_duration": 7.38,
      "wpm": 26,
      "message": "เอา 512 คูณ 2"
    },
    {
      "message_id": 1501,
      "agent_id": 29,
      "delay": 3.38,
      "onscreen_delay": 1.708,
      "typing_delay": 1.672,
      "typing_duration": 7.987,
      "wpm": 39,
      "message": "บวกทด 1 เป็น 9 8 5 40 "
    },
    {
      "message_id": 1502,
      "agent_id": 13,
      "delay": 4.188,
      "onscreen_delay": 0,
      "typing_delay": 4.188,
      "typing_duration": 4.188,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1503,
      "agent_id": 14,
      "delay": 4.778,
      "onscreen_delay": 0,
      "typing_delay": 4.778,
      "typing_duration": 15.001,
      "wpm": 8,
      "message": "ถูกไหมคะ "
    },
    {
      "message_id": 1504,
      "agent_id": 16,
      "delay": 10.999,
      "onscreen_delay": 10.452,
      "typing_delay": 0.547,
      "typing_duration": 6.667,
      "wpm": 45,
      "message": "โอเค ครูคูณเลขถูกไหม "
    },
    {
      "message_id": 1505,
      "agent_id": 29,
      "delay": 6.982,
      "onscreen_delay": 2.709,
      "typing_delay": 4.273,
      "typing_duration": 4.273,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1506,
      "agent_id": 13,
      "delay": 5.029,
      "onscreen_delay": 0,
      "typing_delay": 5.029,
      "typing_duration": 5.029,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1507,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1508,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1509,
      "agent_id": 29,
      "delay": 10.997,
      "onscreen_delay": 3.415,
      "typing_delay": 7.582,
      "typing_duration": 7.582,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1510,
      "agent_id": 13,
      "delay": 6.993,
      "onscreen_delay": 2.851,
      "typing_delay": 4.142,
      "typing_duration": 4.142,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1511,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1512,
      "agent_id": 16,
      "delay": 11,
      "onscreen_delay": 6.455,
      "typing_delay": 4.545,
      "typing_duration": 4.545,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1513,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1514,
      "agent_id": 13,
      "delay": 11.002,
      "onscreen_delay": 6.689,
      "typing_delay": 4.313,
      "typing_duration": 4.313,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1515,
      "agent_id": 14,
      "delay": 7,
      "onscreen_delay": 2.001,
      "typing_delay": 4.999,
      "typing_duration": 7.477,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1516,
      "agent_id": 16,
      "delay": 3.476,
      "onscreen_delay": 2.109,
      "typing_delay": 1.367,
      "typing_duration": 6.064,
      "wpm": 49,
      "message": "โอเค ได้แล้วนะคะ ครู"
    },
    {
      "message_id": 1517,
      "agent_id": 29,
      "delay": 2.06,
      "onscreen_delay": 1.567,
      "typing_delay": 0.493,
      "typing_duration": 6.703,
      "wpm": 47,
      "message": "อาจจะไปเร็วนิดหนึ่งนะ "
    },
    {
      "message_id": 1518,
      "agent_id": 13,
      "delay": 2.702,
      "onscreen_delay": 2.08,
      "typing_delay": 0.622,
      "typing_duration": 14.915,
      "wpm": 38,
      "message": "สำหรับการเปลี่ยนเลขฐานสิบให้เป็นฐานแปด"
    },
    {
      "message_id": 1519,
      "agent_id": 14,
      "delay": 10.913,
      "onscreen_delay": 10.746,
      "typing_delay": 0.167,
      "typing_duration": 7.499,
      "wpm": 50,
      "message": "นะคะ ได้ยินเสียงครูชัดไหม "
    },
    {
      "message_id": 1520,
      "agent_id": 16,
      "delay": 6.913,
      "onscreen_delay": 5.327,
      "typing_delay": 1.586,
      "typing_duration": 8.518,
      "wpm": 37,
      "message": "ได้ยินเสียงครูชัดนะคะ "
    },
    {
      "message_id": 1521,
      "agent_id": 29,
      "delay": 4.514,
      "onscreen_delay": 4.033,
      "typing_delay": 0.481,
      "typing_duration": 4.125,
      "wpm": 33,
      "message": "สมมตินะคะ "
    },
    {
      "message_id": 1522,
      "agent_id": 13,
      "delay": 4.408,
      "onscreen_delay": 0,
      "typing_delay": 4.408,
      "typing_duration": 4.408,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1523,
      "agent_id": 14,
      "delay": 4.323,
      "onscreen_delay": 0,
      "typing_delay": 4.323,
      "typing_duration": 4.323,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1524,
      "agent_id": 16,
      "delay": 5.251,
      "onscreen_delay": 0,
      "typing_delay": 5.251,
      "typing_duration": 5.251,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1525,
      "agent_id": 29,
      "delay": 2.389,
      "onscreen_delay": 0,
      "typing_delay": 2.389,
      "typing_duration": 8.955,
      "wpm": 10,
      "message": "จงแปลง"
    },
    {
      "message_id": 1526,
      "agent_id": 13,
      "delay": 4.952,
      "onscreen_delay": 3.703,
      "typing_delay": 1.249,
      "typing_duration": 13.723,
      "wpm": 34,
      "message": "ตัวเลข 100 ฐานสิบ ให้เป็นฐานแปด "
    },
    {
      "message_id": 1527,
      "agent_id": 14,
      "delay": 9.722,
      "onscreen_delay": 8.812,
      "typing_delay": 0.91,
      "typing_duration": 10.694,
      "wpm": 52,
      "message": "ถ้าแปลงฐานสิบเป็นฐานแปดก็ใช้การหารยาว"
    },
    {
      "message_id": 1528,
      "agent_id": 16,
      "delay": 6.691,
      "onscreen_delay": 5.032,
      "typing_delay": 1.659,
      "typing_duration": 5.615,
      "wpm": 59,
      "message": "ตามปกติแล้วก็เริ่มด้วย "
    },
    {
      "message_id": 1529,
      "agent_id": 29,
      "delay": 2.689,
      "onscreen_delay": 1.287,
      "typing_delay": 1.402,
      "typing_duration": 7.047,
      "wpm": 45,
      "message": "ตั้งหาร 100 หารด้วย 8 "
    },
    {
      "message_id": 1530,
      "agent_id": 13,
      "delay": 3.045,
      "onscreen_delay": 1.7,
      "typing_delay": 1.345,
      "typing_duration": 12.619,
      "wpm": 26,
      "message": "อย่างที่ครูให้เราเขียน"
    },
    {
      "message_id": 1531,
      "agent_id": 14,
      "delay": 8.618,
      "onscreen_delay": 7.354,
      "typing_delay": 1.264,
      "typing_duration": 10.228,
      "wpm": 48,
      "message": "สูตรคูณแม่ 8 จะช่วยในการแปลงผลหาร "
    },
    {
      "message_id": 1532,
      "agent_id": 16,
      "delay": 6.226,
      "onscreen_delay": 5.315,
      "typing_delay": 0.911,
      "typing_duration": 6.254,
      "wpm": 38,
      "message": "เราก็เข้ามาดูว่า "
    },
    {
      "message_id": 1533,
      "agent_id": 29,
      "delay": 2.254,
      "onscreen_delay": 1.252,
      "typing_delay": 1.002,
      "typing_duration": 8.216,
      "wpm": 31,
      "message": "100 นั้นไม่มีนะคะ "
    },
    {
      "message_id": 1534,
      "agent_id": 13,
      "delay": 4.215,
      "onscreen_delay": 2.92,
      "typing_delay": 1.295,
      "typing_duration": 13.08,
      "wpm": 45,
      "message": "แต่มันมีใกล้เคียง ถ้าเราเขียนแม่สูตรคูณ"
    },
    {
      "message_id": 1535,
      "agent_id": 14,
      "delay": 9.078,
      "onscreen_delay": 8.039,
      "typing_delay": 1.039,
      "typing_duration": 4.654,
      "wpm": 35,
      "message": "เรื่อย ๆ นะ "
    },
    {
      "message_id": 1536,
      "agent_id": 16,
      "delay": 5.077,
      "onscreen_delay": 2.59,
      "typing_delay": 2.487,
      "typing_duration": 5.58,
      "wpm": 62,
      "message": "หารเป็นตัวอะไรก็ได้นะคะ "
    },
    {
      "message_id": 1537,
      "agent_id": 29,
      "delay": 1.58,
      "onscreen_delay": 0.984,
      "typing_delay": 0.596,
      "typing_duration": 8.057,
      "wpm": 45,
      "message": "8 คูณกับอะไรใกล้เคียง 10 "
    },
    {
      "message_id": 1538,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1539,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 6.538,
      "typing_delay": 4.461,
      "typing_duration": 4.461,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1540,
      "agent_id": 16,
      "delay": 6.999,
      "onscreen_delay": 0.467,
      "typing_delay": 6.532,
      "typing_duration": 6.532,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1541,
      "agent_id": 29,
      "delay": 2.995,
      "onscreen_delay": 0.792,
      "typing_delay": 2.203,
      "typing_duration": 9.054,
      "wpm": 27,
      "message": "8 คูณ 11 เป็น 88 "
    },
    {
      "message_id": 1542,
      "agent_id": 13,
      "delay": 5.05,
      "onscreen_delay": 3.811,
      "typing_delay": 1.239,
      "typing_duration": 4.802,
      "wpm": 25,
      "message": "8 คูณ 12 "
    },
    {
      "message_id": 1543,
      "agent_id": 14,
      "delay": 1.537,
      "onscreen_delay": 0,
      "typing_delay": 1.537,
      "typing_duration": 8.383,
      "wpm": 4,
      "message": "96 "
    },
    {
      "message_id": 1544,
      "agent_id": 16,
      "delay": 9.451,
      "onscreen_delay": 0,
      "typing_delay": 9.451,
      "typing_duration": 9.451,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1545,
      "agent_id": 29,
      "delay": 5.45,
      "onscreen_delay": 0.66,
      "typing_delay": 4.79,
      "typing_duration": 6.372,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1546,
      "agent_id": 13,
      "delay": 2.371,
      "onscreen_delay": 0.673,
      "typing_delay": 1.698,
      "typing_duration": 6.073,
      "wpm": 59,
      "message": "โอเค ตอนนี้เราจะเห็นนะคะ "
    },
    {
      "message_id": 1547,
      "agent_id": 14,
      "delay": 2.069,
      "onscreen_delay": 1.669,
      "typing_delay": 0.4,
      "typing_duration": 8.316,
      "wpm": 56,
      "message": "ถ้าเอา 100 หารด้วย 8 นี่ เราหาร"
    },
    {
      "message_id": 1548,
      "agent_id": 16,
      "delay": 4.315,
      "onscreen_delay": 4.254,
      "typing_delay": 0.061,
      "typing_duration": 7.023,
      "wpm": 60,
      "message": "เลขด้านมาจากด้านซ้ายนะคะ มัน"
    },
    {
      "message_id": 1549,
      "agent_id": 29,
      "delay": 3.022,
      "onscreen_delay": 2.233,
      "typing_delay": 0.789,
      "typing_duration": 8.675,
      "wpm": 29,
      "message": "ไม่ได้มีเลขที่คูณ "
    },
    {
      "message_id": 1550,
      "agent_id": 13,
      "delay": 4.673,
      "onscreen_delay": 3.494,
      "typing_delay": 1.179,
      "typing_duration": 5.57,
      "wpm": 24,
      "message": "เห็นไหมคะ "
    },
    {
      "message_id": 1551,
      "agent_id": 14,
      "delay": 1.569,
      "onscreen_delay": 1.285,
      "typing_delay": 0.284,
      "typing_duration": 6.395,
      "wpm": 42,
      "message": "ถ้าเราหารเลขธรรมดา"
    },
    {
      "message_id": 1552,
      "agent_id": 16,
      "delay": 2.394,
      "onscreen_delay": 2.193,
      "typing_delay": 0.201,
      "typing_duration": 6.915,
      "wpm": 72,
      "message": "เราจะตั้งหารแบบนี้ 8 คูณ 1 เป็น 8 "
    },
    {
      "message_id": 1553,
      "agent_id": 29,
      "delay": 2.915,
      "onscreen_delay": 1.073,
      "typing_delay": 1.842,
      "typing_duration": 7.677,
      "wpm": 47,
      "message": "ชัก 0 ลงมา 8 อะไรเป็น 20 "
    },
    {
      "message_id": 1554,
      "agent_id": 13,
      "delay": 3.676,
      "onscreen_delay": 3.476,
      "typing_delay": 0.2,
      "typing_duration": 8.552,
      "wpm": 53,
      "message": "ไม่มี จะใกล้เคียง ก็คือ 8 2 16 "
    },
    {
      "message_id": 1555,
      "agent_id": 14,
      "delay": 4.55,
      "onscreen_delay": 4.261,
      "typing_delay": 0.289,
      "typing_duration": 6.333,
      "wpm": 47,
      "message": "ลบมา 4 เราก็จะรู้ว่า"
    },
    {
      "message_id": 1556,
      "agent_id": 16,
      "delay": 2.331,
      "onscreen_delay": 1.416,
      "typing_delay": 0.915,
      "typing_duration": 6.549,
      "wpm": 85,
      "message": "มันหารแล้ว มันได้เป็น 12 จากเศษเท่าไร "
    },
    {
      "message_id": 1557,
      "agent_id": 29,
      "delay": 2.548,
      "onscreen_delay": 2.095,
      "typing_delay": 0.453,
      "typing_duration": 7.183,
      "wpm": 50,
      "message": "เศษ 4 เอาคำตอบไปเขียนเลย "
    },
    {
      "message_id": 1558,
      "agent_id": 13,
      "delay": 3.182,
      "onscreen_delay": 1.703,
      "typing_delay": 1.479,
      "typing_duration": 6.156,
      "wpm": 29,
      "message": "12 เศษอะไรคะ "
    },
    {
      "message_id": 1559,
      "agent_id": 14,
      "delay": 2.155,
      "onscreen_delay": 1.577,
      "typing_delay": 0.578,
      "typing_duration": 7.786,
      "wpm": 10,
      "message": "เศษ 4 "
    },
    {
      "message_id": 1560,
      "agent_id": 16,
      "delay": 3.784,
      "onscreen_delay": 2.356,
      "typing_delay": 1.428,
      "typing_duration": 5.099,
      "wpm": 71,
      "message": "ซึ่งถ้าเป็นเลข ฐาน 8 นี่ "
    },
    {
      "message_id": 1561,
      "agent_id": 29,
      "delay": 1.095,
      "onscreen_delay": 0.382,
      "typing_delay": 0.713,
      "typing_duration": 5.071,
      "wpm": 74,
      "message": "ถึงเลขอะไรคะ เลข 7 ใช่ไหม "
    },
    {
      "message_id": 1562,
      "agent_id": 13,
      "delay": 1.109,
      "onscreen_delay": 0,
      "typing_delay": 1.109,
      "typing_duration": 10.618,
      "wpm": 35,
      "message": "คือ 0 ถึง 7 แต่ทีนี้ปัญหา"
    },
    {
      "message_id": 1563,
      "agent_id": 14,
      "delay": 6.617,
      "onscreen_delay": 6.389,
      "typing_delay": 0.228,
      "typing_duration": 11.132,
      "wpm": 51,
      "message": "ขั้นที่ 1 ของเรานี่เศษเป็น 0 ครูลบแล้ว "
    },
    {
      "message_id": 1564,
      "agent_id": 16,
      "delay": 7.129,
      "onscreen_delay": 5.461,
      "typing_delay": 1.668,
      "typing_duration": 4.725,
      "wpm": 48,
      "message": "ถัดไป หารได้อีก"
    },
    {
      "message_id": 1565,
      "agent_id": 29,
      "delay": 3.128,
      "onscreen_delay": 2.142,
      "typing_delay": 0.986,
      "typing_duration": 7.576,
      "wpm": 49,
      "message": "เพราะเหตุผลเดิม คืออะไรคะ "
    },
    {
      "message_id": 1566,
      "agent_id": 13,
      "delay": 3.574,
      "onscreen_delay": 3.17,
      "typing_delay": 0.404,
      "typing_duration": 7.917,
      "wpm": 34,
      "message": "12 มันยังมากกว่า 8 "
    },
    {
      "message_id": 1567,
      "agent_id": 14,
      "delay": 3.914,
      "onscreen_delay": 3.511,
      "typing_delay": 0.403,
      "typing_duration": 6.106,
      "wpm": 64,
      "message": "หารอีก หารกลับไปได้อีกนะคะ "
    },
    {
      "message_id": 1568,
      "agent_id": 16,
      "delay": 2.104,
      "onscreen_delay": 1.195,
      "typing_delay": 0.909,
      "typing_duration": 5.521,
      "wpm": 71,
      "message": "ครูก็ตั้งหารแล้ว หารด้วย 8 "
    },
    {
      "message_id": 1569,
      "agent_id": 29,
      "delay": 2.3,
      "onscreen_delay": 0,
      "typing_delay": 2.3,
      "typing_duration": 10.096,
      "wpm": 39,
      "message": "8 อะไร 8 คูณกับอะไรเป็น 12 "
    },
    {
      "message_id": 1570,
      "agent_id": 13,
      "delay": 6.094,
      "onscreen_delay": 5.658,
      "typing_delay": 0.436,
      "typing_duration": 11.404,
      "wpm": 43,
      "message": "ไม่มี แต่ใกล้เคียง คือ 8 1 เป็น 8 "
    },
    {
      "message_id": 1571,
      "agent_id": 14,
      "delay": 7.403,
      "onscreen_delay": 7.096,
      "typing_delay": 0.307,
      "typing_duration": 8.912,
      "wpm": 37,
      "message": "ถ้าตั้งหารยาวก็เป็น 12 "
    },
    {
      "message_id": 1572,
      "agent_id": 16,
      "delay": 4.911,
      "onscreen_delay": 1.005,
      "typing_delay": 3.906,
      "typing_duration": 7.747,
      "wpm": 27,
      "message": "หารด้วย 8 ลบ 1 "
    },
    {
      "message_id": 1573,
      "agent_id": 29,
      "delay": 3.745,
      "onscreen_delay": 2.761,
      "typing_delay": 0.984,
      "typing_duration": 5.692,
      "wpm": 50,
      "message": "นะคะ 8 คูณ 1 เป็น 8 "
    },
    {
      "message_id": 1574,
      "agent_id": 13,
      "delay": 1.692,
      "onscreen_delay": 0.978,
      "typing_delay": 0.714,
      "typing_duration": 9.412,
      "wpm": 54,
      "message": "ก็คือ 12 - 8 เหลือ 4 ก็เลยเป็น ตอบ"
    },
    {
      "message_id": 1575,
      "agent_id": 14,
      "delay": 5.409,
      "onscreen_delay": 4.642,
      "typing_delay": 0.767,
      "typing_duration": 6.637,
      "wpm": 43,
      "message": "ผลลัพธ์เป็น 1 เศษ 4 "
    },
    {
      "message_id": 1576,
      "agent_id": 16,
      "delay": 2.636,
      "onscreen_delay": 0.608,
      "typing_delay": 2.028,
      "typing_duration": 5.2,
      "wpm": 35,
      "message": "เศษ 4 พอแล้ว "
    },
    {
      "message_id": 1577,
      "agent_id": 29,
      "delay": 1.629,
      "onscreen_delay": 0,
      "typing_delay": 1.629,
      "typing_duration": 8.379,
      "wpm": 41,
      "message": "เรามาดูคำตอบที่เกิดขึ้น"
    },
    {
      "message_id": 1578,
      "agent_id": 13,
      "delay": 4.377,
      "onscreen_delay": 3.292,
      "typing_delay": 1.085,
      "typing_duration": 7.208,
      "wpm": 40,
      "message": "เป็นเลข 1 เป็นเลข 1 "
    },
    {
      "message_id": 1579,
      "agent_id": 14,
      "delay": 3.206,
      "onscreen_delay": 1.88,
      "typing_delay": 1.326,
      "typing_duration": 10.681,
      "wpm": 37,
      "message": "1 มันน้อยกว่า 8 เพราะคำตอบ "
    },
    {
      "message_id": 1580,
      "agent_id": 16,
      "delay": 6.679,
      "onscreen_delay": 5.469,
      "typing_delay": 1.21,
      "typing_duration": 5.726,
      "wpm": 52,
      "message": "พบคำตอบ 1 น้อยกว่า 8 "
    },
    {
      "message_id": 1581,
      "agent_id": 29,
      "delay": 2.678,
      "onscreen_delay": 2.149,
      "typing_delay": 0.529,
      "typing_duration": 5.394,
      "wpm": 28,
      "message": "จบ หยุดหาร"
    },
    {
      "message_id": 1582,
      "agent_id": 13,
      "delay": 1.392,
      "onscreen_delay": 0.013,
      "typing_delay": 1.379,
      "typing_duration": 9.437,
      "wpm": 40,
      "message": "หยุดหาร อ่านจากล่างขึ้นบน"
    },
    {
      "message_id": 1583,
      "agent_id": 14,
      "delay": 5.432,
      "onscreen_delay": 5.212,
      "typing_delay": 0.22,
      "typing_duration": 7.462,
      "wpm": 66,
      "message": "นะคะ อ่านจากล่างขึ้นบนก็คือตัวนี้ "
    },
    {
      "message_id": 1584,
      "agent_id": 16,
      "delay": 4.086,
      "onscreen_delay": 0,
      "typing_delay": 4.086,
      "typing_duration": 4.086,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1585,
      "agent_id": 29,
      "delay": 2.368,
      "onscreen_delay": 0,
      "typing_delay": 2.368,
      "typing_duration": 8.851,
      "wpm": 32,
      "message": "เพราะมาแล้วก็ขึ้นบน "
    },
    {
      "message_id": 1586,
      "agent_id": 13,
      "delay": 4.849,
      "onscreen_delay": 4.04,
      "typing_delay": 0.809,
      "typing_duration": 9.689,
      "wpm": 39,
      "message": "100 ของเลขฐานสิบนี่ ก็คือ"
    },
    {
      "message_id": 1587,
      "agent_id": 14,
      "delay": 5.687,
      "onscreen_delay": 5.222,
      "typing_delay": 0.465,
      "typing_duration": 7.817,
      "wpm": 46,
      "message": "มีค่าเป็นเลขฐานแปด ก็คือ "
    },
    {
      "message_id": 1588,
      "agent_id": 16,
      "delay": 3.773,
      "onscreen_delay": 2.927,
      "typing_delay": 0.846,
      "typing_duration": 4.526,
      "wpm": 36,
      "message": "1 4 4 ฐาน 8 "
    },
    {
      "message_id": 1589,
      "agent_id": 29,
      "delay": 1.28,
      "onscreen_delay": 0,
      "typing_delay": 1.28,
      "typing_duration": 6.096,
      "wpm": 74,
      "message": "เวลาที่เราจะแปลงค่ามันย้อนกลับ "
    },
    {
      "message_id": 1590,
      "agent_id": 13,
      "delay": 2.095,
      "onscreen_delay": 1.816,
      "typing_delay": 0.279,
      "typing_duration": 15.043,
      "wpm": 46,
      "message": "ตอนนี้ แปลงค่าย้อนกลับ ก็คือว่า 144 ย้อนกลับมา"
    },
    {
      "message_id": 1591,
      "agent_id": 14,
      "delay": 11.042,
      "onscreen_delay": 10.582,
      "typing_delay": 0.46,
      "typing_duration": 12.851,
      "wpm": 54,
      "message": "ฐาน 8 มา แปลงย้อนกลับเป็นฐานสิบมีค่าเป็นเท่าไร "
    },
    {
      "message_id": 1592,
      "agent_id": 16,
      "delay": 8.847,
      "onscreen_delay": 8.567,
      "typing_delay": 0.28,
      "typing_duration": 9.641,
      "wpm": 75,
      "message": "ให้ใช้หลักการเดิม เอาเลขโดดที่เกิดขึ้น คูณกับค่า"
    },
    {
      "message_id": 1593,
      "agent_id": 29,
      "delay": 5.639,
      "onscreen_delay": 5.254,
      "typing_delay": 0.385,
      "typing_duration": 7.007,
      "wpm": 83,
      "message": "ประจำหลักของเขา ตอนนี้ครูจะทำตัวแรกนะคะ "
    },
    {
      "message_id": 1594,
      "agent_id": 13,
      "delay": 3,
      "onscreen_delay": 1.212,
      "typing_delay": 1.788,
      "typing_duration": 7.736,
      "wpm": 35,
      "message": "ตอนแรก ก็คือตัวนี้ "
    },
    {
      "message_id": 1595,
      "agent_id": 14,
      "delay": 3.734,
      "onscreen_delay": 3.288,
      "typing_delay": 0.446,
      "typing_duration": 12.484,
      "wpm": 48,
      "message": "ค่าประจำหลักของเขา ก็คือถ้าเขาเป็นฐานแปด "
    },
    {
      "message_id": 1596,
      "agent_id": 16,
      "delay": 8.482,
      "onscreen_delay": 6.319,
      "typing_delay": 2.163,
      "typing_duration": 7.553,
      "wpm": 64,
      "message": "ค่าประจำหลักก็ต้องเป็นเลขยกกำลัง"
    },
    {
      "message_id": 1597,
      "agent_id": 29,
      "delay": 4.48,
      "onscreen_delay": 3.783,
      "typing_delay": 0.697,
      "typing_duration": 6.581,
      "wpm": 73,
      "message": "น้อยสุดเลยที่มันจะยกกำลังได้นะะค "
    },
    {
      "message_id": 1598,
      "agent_id": 13,
      "delay": 2.58,
      "onscreen_delay": 1.555,
      "typing_delay": 1.025,
      "typing_duration": 8.842,
      "wpm": 53,
      "message": "คือ เป็น 8 ยกกำลัง 0 คือ ตัวนี้ "
    },
    {
      "message_id": 1599,
      "agent_id": 14,
      "delay": 4.833,
      "onscreen_delay": 2.898,
      "typing_delay": 1.935,
      "typing_duration": 13.693,
      "wpm": 13,
      "message": "สังเกตนะ ว่า"
    },
    {
      "message_id": 1600,
      "agent_id": 16,
      "delay": 9.692,
      "onscreen_delay": 8.63,
      "typing_delay": 1.062,
      "typing_duration": 6.839,
      "wpm": 79,
      "message": "ด้านขวามือทำไมเราต้องทบทวนให้เราก่อน "
    },
    {
      "message_id": 1601,
      "agent_id": 29,
      "delay": 5.679,
      "onscreen_delay": 4.717,
      "typing_delay": 0.962,
      "typing_duration": 8.173,
      "wpm": 39,
      "message": "เข้าใจคำนวณเลขได้เร็ว "
    },
    {
      "message_id": 1602,
      "agent_id": 13,
      "delay": 4.172,
      "onscreen_delay": 3.605,
      "typing_delay": 0.567,
      "typing_duration": 5.943,
      "wpm": 68,
      "message": "ค่าประจำหลักของตัวเลขตัวแรก"
    },
    {
      "message_id": 1603,
      "agent_id": 14,
      "delay": 1.941,
      "onscreen_delay": 1.366,
      "typing_delay": 0.575,
      "typing_duration": 14.402,
      "wpm": 27,
      "message": "นะคะ จากนั้นขยับไปด้านซ้าย "
    },
    {
      "message_id": 1604,
      "agent_id": 16,
      "delay": 10.401,
      "onscreen_delay": 9.79,
      "typing_delay": 0.611,
      "typing_duration": 7.229,
      "wpm": 66,
      "message": "ตัวที่ 2 ตัวที่ 2 ก็คือ 4 ตัวนี้ "
    },
    {
      "message_id": 1605,
      "agent_id": 29,
      "delay": 6.397,
      "onscreen_delay": 4.07,
      "typing_delay": 2.327,
      "typing_duration": 6.515,
      "wpm": 51,
      "message": "ค่าประจำหลักของเขา คือ "
    },
    {
      "message_id": 1606,
      "agent_id": 13,
      "delay": 2.514,
      "onscreen_delay": 2.268,
      "typing_delay": 0.246,
      "typing_duration": 8.897,
      "wpm": 37,
      "message": "8 ยกกำลัง 1 เลขยกกำลัง"
    },
    {
      "message_id": 1607,
      "agent_id": 14,
      "delay": 4.895,
      "onscreen_delay": 4.562,
      "typing_delay": 0.333,
      "typing_duration": 9.232,
      "wpm": 50,
      "message": "เขาจะเพิ่มขึ้นทีละ 1 นะคะ ถัดไป"
    },
    {
      "message_id": 1608,
      "agent_id": 16,
      "delay": 5.211,
      "onscreen_delay": 4.598,
      "typing_delay": 0.613,
      "typing_duration": 6.869,
      "wpm": 83,
      "message": "ตัวสุดท้ายก็คือเลข 1 เลข 1 ก็คือตัวนี้ "
    },
    {
      "message_id": 1609,
      "agent_id": 29,
      "delay": 2.867,
      "onscreen_delay": 1.449,
      "typing_delay": 1.418,
      "typing_duration": 6.571,
      "wpm": 55,
      "message": "ค่าประจำหลักของเขา ก็คือ "
    },
    {
      "message_id": 1610,
      "agent_id": 13,
      "delay": 2.57,
      "onscreen_delay": 1.825,
      "typing_delay": 0.745,
      "typing_duration": 6.774,
      "wpm": 24,
      "message": "8 ยกกำลัง 2 "
    },
    {
      "message_id": 1611,
      "agent_id": 14,
      "delay": 2.772,
      "onscreen_delay": 2.531,
      "typing_delay": 0.241,
      "typing_duration": 9.739,
      "wpm": 66,
      "message": "เราได้ค่าประจำหลักเสร็จแล้ว เอาค่าประจำหลัก"
    },
    {
      "message_id": 1612,
      "agent_id": 16,
      "delay": 5.738,
      "onscreen_delay": 4.2,
      "typing_delay": 1.538,
      "typing_duration": 6.428,
      "wpm": 54,
      "message": "คูณกับเลขโดดที่เกิดขึ้น"
    },
    {
      "message_id": 1613,
      "agent_id": 29,
      "delay": 2.426,
      "onscreen_delay": 1.855,
      "typing_delay": 0.571,
      "typing_duration": 6.485,
      "wpm": 69,
      "message": "อันที่ 1 ก็คือเอา 4 ไปคูณกับ 8 "
    },
    {
      "message_id": 1614,
      "agent_id": 13,
      "delay": 2.481,
      "onscreen_delay": 2.23,
      "typing_delay": 0.251,
      "typing_duration": 14.104,
      "wpm": 46,
      "message": "ยกกำลัง 0 อันนี้ 2 คือ 4 คูณกับ 8 ยกกำลัง 1 "
    },
    {
      "message_id": 1615,
      "agent_id": 14,
      "delay": 10.101,
      "onscreen_delay": 9.551,
      "typing_delay": 0.55,
      "typing_duration": 10.209,
      "wpm": 54,
      "message": "อันที่ 3 ก็คือ 1 ไปคูณกับ 8 ยกกำลัง 2 "
    },
    {
      "message_id": 1616,
      "agent_id": 16,
      "delay": 6.186,
      "onscreen_delay": 5.399,
      "typing_delay": 0.787,
      "typing_duration": 6.701,
      "wpm": 67,
      "message": "ตรงนี้เท่ากับครูหาให้ดูก็จะได้ "
    },
    {
      "message_id": 1617,
      "agent_id": 29,
      "delay": 2.699,
      "onscreen_delay": 0.892,
      "typing_delay": 1.807,
      "typing_duration": 7.86,
      "wpm": 52,
      "message": "8 ยกกำลัง 1 มีค่าเป็นอะไรคะ "
    },
    {
      "message_id": 1618,
      "agent_id": 13,
      "delay": 3.859,
      "onscreen_delay": 2.459,
      "typing_delay": 1.4,
      "typing_duration": 12.327,
      "wpm": 50,
      "message": "เป็น 1 เห็นไหม ครูเขียนให้อยู่ด้านนี้นะคะ "
    },
    {
      "message_id": 1619,
      "agent_id": 14,
      "delay": 8.325,
      "onscreen_delay": 5.7,
      "typing_delay": 2.625,
      "typing_duration": 9.688,
      "wpm": 28,
      "message": "8 ยกกำลัง 0 เป็น 1 "
    },
    {
      "message_id": 1620,
      "agent_id": 16,
      "delay": 5.686,
      "onscreen_delay": 3.611,
      "typing_delay": 2.075,
      "typing_duration": 6.721,
      "wpm": 67,
      "message": "ตรงนี้นะคะ ก็จะได้เป็น 4 คูณ 1 "
    },
    {
      "message_id": 1621,
      "agent_id": 29,
      "delay": 2.72,
      "onscreen_delay": 0.194,
      "typing_delay": 2.526,
      "typing_duration": 5.908,
      "wpm": 23,
      "message": "เท่ากับ 4 "
    },
    {
      "message_id": 1622,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1623,
      "agent_id": 14,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1624,
      "agent_id": 16,
      "delay": 10.993,
      "onscreen_delay": 8.815,
      "typing_delay": 2.178,
      "typing_duration": 7.179,
      "wpm": 10,
      "message": "ถัดไป"
    },
    {
      "message_id": 1625,
      "agent_id": 29,
      "delay": 6.99,
      "onscreen_delay": 6.632,
      "typing_delay": 0.358,
      "typing_duration": 11.484,
      "wpm": 43,
      "message": "ตัวที่ 2 4 คูณ 8 ยกกำลัง 1 เป็น 8 "
    },
    {
      "message_id": 1626,
      "agent_id": 13,
      "delay": 7.482,
      "onscreen_delay": 6.626,
      "typing_delay": 0.856,
      "typing_duration": 11.955,
      "wpm": 11,
      "message": "8 4 คูณ 8 "
    },
    {
      "message_id": 1627,
      "agent_id": 14,
      "delay": 7.953,
      "onscreen_delay": 7.689,
      "typing_delay": 0.264,
      "typing_duration": 6.771,
      "wpm": 51,
      "message": "เป็น 32 ตรงนี้นะเห็นไหม "
    },
    {
      "message_id": 1628,
      "agent_id": 16,
      "delay": 3.994,
      "onscreen_delay": 0,
      "typing_delay": 3.994,
      "typing_duration": 8.233,
      "wpm": 27,
      "message": "4 คูณ 8 เป็น 32 "
    },
    {
      "message_id": 1629,
      "agent_id": 29,
      "delay": 4.275,
      "onscreen_delay": 0,
      "typing_delay": 4.275,
      "typing_duration": 4.275,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1630,
      "agent_id": 13,
      "delay": 2.954,
      "onscreen_delay": 0,
      "typing_delay": 2.954,
      "typing_duration": 7.443,
      "wpm": 26,
      "message": "ถัดไป 1 คูณ 8 "
    },
    {
      "message_id": 1631,
      "agent_id": 14,
      "delay": 3.441,
      "onscreen_delay": 2.918,
      "typing_delay": 0.523,
      "typing_duration": 7.246,
      "wpm": 68,
      "message": "ยกกำลัง 2 8 ยกกำลัง 2 มีค่าเท่าไร"
    },
    {
      "message_id": 1632,
      "agent_id": 16,
      "delay": 3.244,
      "onscreen_delay": 2.772,
      "typing_delay": 0.472,
      "typing_duration": 8.93,
      "wpm": 47,
      "message": "ตรงนี้ 8 ยกกำลัง 2 มีค่าเป็น "
    },
    {
      "message_id": 1633,
      "agent_id": 29,
      "delay": 4.93,
      "onscreen_delay": 2.917,
      "typing_delay": 2.013,
      "typing_duration": 4.256,
      "wpm": 7,
      "message": "64 "
    },
    {
      "message_id": 1634,
      "agent_id": 13,
      "delay": 0.928,
      "onscreen_delay": 0.474,
      "typing_delay": 0.454,
      "typing_duration": 7.237,
      "wpm": 4,
      "message": "64 "
    },
    {
      "message_id": 1635,
      "agent_id": 14,
      "delay": 3.236,
      "onscreen_delay": 2.872,
      "typing_delay": 0.364,
      "typing_duration": 8.52,
      "wpm": 40,
      "message": "1 คูณ 64 ก็เป็นเท่าไรคะ "
    },
    {
      "message_id": 1636,
      "agent_id": 16,
      "delay": 7.142,
      "onscreen_delay": 0,
      "typing_delay": 7.142,
      "typing_duration": 8.324,
      "wpm": 4,
      "message": "64 "
    },
    {
      "message_id": 1637,
      "agent_id": 29,
      "delay": 4.314,
      "onscreen_delay": 1.753,
      "typing_delay": 2.561,
      "typing_duration": 9.541,
      "wpm": 22,
      "message": "จากนั้นได้แล้ว "
    },
    {
      "message_id": 1638,
      "agent_id": 13,
      "delay": 5.54,
      "onscreen_delay": 5.262,
      "typing_delay": 0.278,
      "typing_duration": 6.756,
      "wpm": 67,
      "message": "เอาคำตอบที่เกิดขึ้นในแต่ละหลัก"
    },
    {
      "message_id": 1639,
      "agent_id": 14,
      "delay": 2.755,
      "onscreen_delay": 2.493,
      "typing_delay": 0.262,
      "typing_duration": 11.436,
      "wpm": 33,
      "message": "นะคะ ของเลขฐานแปดมารวมกัน "
    },
    {
      "message_id": 1640,
      "agent_id": 16,
      "delay": 7.435,
      "onscreen_delay": 2.222,
      "typing_delay": 5.213,
      "typing_duration": 8.478,
      "wpm": 32,
      "message": "ตัวนี้ประกอบไปด้วย "
    },
    {
      "message_id": 1641,
      "agent_id": 29,
      "delay": 4.476,
      "onscreen_delay": 1.929,
      "typing_delay": 2.547,
      "typing_duration": 7.147,
      "wpm": 15,
      "message": "4 32 64 "
    },
    {
      "message_id": 1642,
      "agent_id": 13,
      "delay": 3.145,
      "onscreen_delay": 0.15,
      "typing_delay": 2.995,
      "typing_duration": 5.452,
      "wpm": 6,
      "message": "64 "
    },
    {
      "message_id": 1643,
      "agent_id": 14,
      "delay": 5.362,
      "onscreen_delay": 0,
      "typing_delay": 5.362,
      "typing_duration": 6.217,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1644,
      "agent_id": 16,
      "delay": 2.215,
      "onscreen_delay": 1.048,
      "typing_delay": 1.167,
      "typing_duration": 6.991,
      "wpm": 64,
      "message": "เราเอาเขามาทำไมกัน เราเอาเขามา"
    },
    {
      "message_id": 1645,
      "agent_id": 29,
      "delay": 2.989,
      "onscreen_delay": 1.872,
      "typing_delay": 1.117,
      "typing_duration": 6.424,
      "wpm": 40,
      "message": "บวกกัน บวกกันเสีย "
    },
    {
      "message_id": 1646,
      "agent_id": 13,
      "delay": 2.422,
      "onscreen_delay": 0.672,
      "typing_delay": 1.75,
      "typing_duration": 6.743,
      "wpm": 40,
      "message": "รวมกันจะเป็นอะไรคะ "
    },
    {
      "message_id": 1647,
      "agent_id": 14,
      "delay": 2.742,
      "onscreen_delay": 1.696,
      "typing_delay": 1.046,
      "typing_duration": 11.68,
      "wpm": 10,
      "message": "4 บวก 32 "
    },
    {
      "message_id": 1648,
      "agent_id": 16,
      "delay": 7.676,
      "onscreen_delay": 6.21,
      "typing_delay": 1.466,
      "typing_duration": 6.514,
      "wpm": 35,
      "message": "บวก 64 3 ตัวนี้ "
    },
    {
      "message_id": 1649,
      "agent_id": 29,
      "delay": 3.675,
      "onscreen_delay": 2.283,
      "typing_delay": 1.392,
      "typing_duration": 5.777,
      "wpm": 70,
      "message": "3 ตัวนี้บวกกันได้เท่าไรเอ่ย "
    },
    {
      "message_id": 1650,
      "agent_id": 13,
      "delay": 6.453,
      "onscreen_delay": 0,
      "typing_delay": 6.453,
      "typing_duration": 10.125,
      "wpm": 10,
      "message": "Amazing "
    },
    {
      "message_id": 1651,
      "agent_id": 14,
      "delay": 6.124,
      "onscreen_delay": 4.314,
      "typing_delay": 1.81,
      "typing_duration": 10.666,
      "wpm": 45,
      "message": "ตัวแรกมันแปลงไปแปลงมาได้ เห็นไหม"
    },
    {
      "message_id": 1652,
      "agent_id": 16,
      "delay": 6.664,
      "onscreen_delay": 3.675,
      "typing_delay": 2.989,
      "typing_duration": 5.163,
      "wpm": 46,
      "message": "ตัวนี้ ตรงกันเลย "
    },
    {
      "message_id": 1653,
      "agent_id": 29,
      "delay": 2.662,
      "onscreen_delay": 1.503,
      "typing_delay": 1.159,
      "typing_duration": 4.171,
      "wpm": 32,
      "message": "ตรงกันเลย "
    },
    {
      "message_id": 1654,
      "agent_id": 13,
      "delay": 2.556,
      "onscreen_delay": 0,
      "typing_delay": 2.556,
      "typing_duration": 6.726,
      "wpm": 20,
      "message": "เห็นไหมคะ "
    },
    {
      "message_id": 1655,
      "agent_id": 14,
      "delay": 2.723,
      "onscreen_delay": 2.497,
      "typing_delay": 0.226,
      "typing_duration": 11.04,
      "wpm": 61,
      "message": "อันนี้คือตัวอย่างสาธิตการแปลงฐานสิบเป็นฐานแปด "
    },
    {
      "message_id": 1656,
      "agent_id": 16,
      "delay": 7.038,
      "onscreen_delay": 5.703,
      "typing_delay": 1.335,
      "typing_duration": 8.887,
      "wpm": 66,
      "message": "แล้วก็แปลงฐาน 8 มาเป็นฐาน 10 เหมือนเดิม "
    },
    {
      "message_id": 1657,
      "agent_id": 29,
      "delay": 4.886,
      "onscreen_delay": 4.362,
      "typing_delay": 0.524,
      "typing_duration": 11.897,
      "wpm": 38,
      "message": "กลับไปกลับมาได้ ความรู้พื้นฐาน"
    },
    {
      "message_id": 1658,
      "agent_id": 13,
      "delay": 7.895,
      "onscreen_delay": 7.556,
      "typing_delay": 0.339,
      "typing_duration": 11.398,
      "wpm": 51,
      "message": "ที่เราจะใช้ในการแปลงเลขฐาน 1. เรื่องของ"
    },
    {
      "message_id": 1659,
      "agent_id": 14,
      "delay": 7.397,
      "onscreen_delay": 6.66,
      "typing_delay": 0.737,
      "typing_duration": 9.974,
      "wpm": 26,
      "message": "การคูณนะคะ การคูณ "
    },
    {
      "message_id": 1660,
      "agent_id": 16,
      "delay": 5.972,
      "onscreen_delay": 3.49,
      "typing_delay": 2.482,
      "typing_duration": 8.163,
      "wpm": 39,
      "message": "2 เรื่องของเลขยกกำลัง "
    },
    {
      "message_id": 1661,
      "agent_id": 29,
      "delay": 4.161,
      "onscreen_delay": 3.737,
      "typing_delay": 0.424,
      "typing_duration": 8.997,
      "wpm": 30,
      "message": "หาค่าประจำหลักโอเค"
    },
    {
      "message_id": 1662,
      "agent_id": 13,
      "delay": 4.996,
      "onscreen_delay": 4.368,
      "typing_delay": 0.628,
      "typing_duration": 7.879,
      "wpm": 59,
      "message": "มีความรู้พื้นฐานอยู่ 2 ส่วนนะคะ "
    },
    {
      "message_id": 1663,
      "agent_id": 14,
      "delay": 3.878,
      "onscreen_delay": 2.037,
      "typing_delay": 1.841,
      "typing_duration": 13.024,
      "wpm": 25,
      "message": "ในการคิดคำนวณเพื่อนฐาน "
    },
    {
      "message_id": 1664,
      "agent_id": 16,
      "delay": 9.022,
      "onscreen_delay": 8.808,
      "typing_delay": 0.214,
      "typing_duration": 5.537,
      "wpm": 70,
      "message": "ส่วนเลขยกกำลังตรงนี้นะครับ "
    },
    {
      "message_id": 1665,
      "agent_id": 29,
      "delay": 5.02,
      "onscreen_delay": 4.546,
      "typing_delay": 0.474,
      "typing_duration": 5.776,
      "wpm": 47,
      "message": "หาค่าประจำหลักนะคะ "
    },
    {
      "message_id": 1666,
      "agent_id": 13,
      "delay": 1.776,
      "onscreen_delay": 0.706,
      "typing_delay": 1.07,
      "typing_duration": 8.696,
      "wpm": 66,
      "message": "ถ้าเกิดฐานมันเปลี่ยนไป ค่ามันจะเปลี่ยน"
    },
    {
      "message_id": 1667,
      "agent_id": 14,
      "delay": 4.691,
      "onscreen_delay": 4.401,
      "typing_delay": 0.29,
      "typing_duration": 10.118,
      "wpm": 73,
      "message": "ไปนะคะ มีคำถามไหมเอ่ย เดี๋ยวเราจะไปกินข้าวกันแล้ว "
    },
    {
      "message_id": 1668,
      "agent_id": 16,
      "delay": 6.116,
      "onscreen_delay": 1.823,
      "typing_delay": 4.293,
      "typing_duration": 4.293,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1669,
      "agent_id": 29,
      "delay": 9.972,
      "onscreen_delay": 0,
      "typing_delay": 9.972,
      "typing_duration": 9.972,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1670,
      "agent_id": 13,
      "delay": 5.97,
      "onscreen_delay": 1.903,
      "typing_delay": 4.067,
      "typing_duration": 7.993,
      "wpm": 8,
      "message": "โอเค "
    },
    {
      "message_id": 1671,
      "agent_id": 14,
      "delay": 4.466,
      "onscreen_delay": 0,
      "typing_delay": 4.466,
      "typing_duration": 7.496,
      "wpm": 8,
      "message": "โอเค "
    },
    {
      "message_id": 1672,
      "agent_id": 16,
      "delay": 3.491,
      "onscreen_delay": 2.171,
      "typing_delay": 1.32,
      "typing_duration": 7.292,
      "wpm": 39,
      "message": "ก่อนจากตรงนี้นะครับ "
    },
    {
      "message_id": 1673,
      "agent_id": 29,
      "delay": 3.291,
      "onscreen_delay": 2.962,
      "typing_delay": 0.329,
      "typing_duration": 6.661,
      "wpm": 56,
      "message": "แล้วก็ทำเป็นชิ้นงานส่งครู "
    },
    {
      "message_id": 1674,
      "agent_id": 13,
      "delay": 2.659,
      "onscreen_delay": 1.541,
      "typing_delay": 1.118,
      "typing_duration": 5.564,
      "wpm": 38,
      "message": "ถ้าอย่างไรนะคะ "
    },
    {
      "message_id": 1675,
      "agent_id": 14,
      "delay": 1.56,
      "onscreen_delay": 1.375,
      "typing_delay": 0.185,
      "typing_duration": 7.615,
      "wpm": 53,
      "message": "ให้เราจับกลุ่มกันระหว่าง... "
    },
    {
      "message_id": 1676,
      "agent_id": 16,
      "delay": 3.611,
      "onscreen_delay": 1.865,
      "typing_delay": 1.746,
      "typing_duration": 10.825,
      "wpm": 43,
      "message": "ครูล่ามคะ ขออนุญาตปรึกษาครูล่าม"
    },
    {
      "message_id": 1677,
      "agent_id": 29,
      "delay": 6.819,
      "onscreen_delay": 5.648,
      "typing_delay": 1.171,
      "typing_duration": 12.541,
      "wpm": 49,
      "message": "สำหรับเด็กพิเศษนี้จะให้เขารวมกลุ่มกับเด็ก"
    },
    {
      "message_id": 1678,
      "agent_id": 13,
      "delay": 8.54,
      "onscreen_delay": 8.32,
      "typing_delay": 0.22,
      "typing_duration": 12.761,
      "wpm": 56,
      "message": "หรือว่าจะเป็นกลุ่มเด็กพิเศษต่างหาก พี่ล่ามจะช่วย "
    },
    {
      "message_id": 1679,
      "agent_id": 14,
      "delay": 8.757,
      "onscreen_delay": 6.523,
      "typing_delay": 2.234,
      "typing_duration": 13.997,
      "wpm": 72,
      "message": "(ล่าม) ถ้าเป็นแบบนี้ต้องให้พี่ ๆ DSS น่ะค่ะ (อาจารย์ชนัญกาญจน์) อ๋อ "
    },
    {
      "message_id": 1680,
      "agent_id": 16,
      "delay": 9.995,
      "onscreen_delay": 7.425,
      "typing_delay": 2.57,
      "typing_duration": 9.873,
      "wpm": 56,
      "message": "พี่ DSS ในห้องนี้เขาเข้าร่วมด้วยไหมคะ "
    },
    {
      "message_id": 1681,
      "agent_id": 29,
      "delay": 5.994,
      "onscreen_delay": 4.282,
      "typing_delay": 1.712,
      "typing_duration": 8.313,
      "wpm": 52,
      "message": "(ล่าม) น่าจะมีพี่อุ้ยอยู่นะคะ "
    },
    {
      "message_id": 1682,
      "agent_id": 13,
      "delay": 4.311,
      "onscreen_delay": 0.21,
      "typing_delay": 4.101,
      "typing_duration": 7.785,
      "wpm": 23,
      "message": "คุณอุ้ยพอ... "
    },
    {
      "message_id": 1683,
      "agent_id": 14,
      "delay": 5.447,
      "onscreen_delay": 0,
      "typing_delay": 5.447,
      "typing_duration": 14.836,
      "wpm": 16,
      "message": "สุภาภรณ์ใช่ไหมคะ "
    },
    {
      "message_id": 1684,
      "agent_id": 16,
      "delay": 10.835,
      "onscreen_delay": 6.823,
      "typing_delay": 4.012,
      "typing_duration": 6.51,
      "wpm": 41,
      "message": "ใช่ค่ะ ได้ยินไหมคะ "
    },
    {
      "message_id": 1685,
      "agent_id": 29,
      "delay": 6.833,
      "onscreen_delay": 5.591,
      "typing_delay": 1.242,
      "typing_duration": 11.869,
      "wpm": 77,
      "message": "(อาจารย์ชนัญกาญจน์) ได้ยินค่ะ เดี๋ยวพี่อุ้ยช่วยคุณครูได้ไหมคะ "
    },
    {
      "message_id": 1686,
      "agent_id": 13,
      "delay": 7.868,
      "onscreen_delay": 4.759,
      "typing_delay": 3.109,
      "typing_duration": 14.387,
      "wpm": 71,
      "message": "(ล่าม) ได้ค่ะ ๆ (อาจารย์ชนัญกาญจน์) ขอบคุณมากเลย มาเป็นคุณครูช่วยกัน "
    },
    {
      "message_id": 1687,
      "agent_id": 14,
      "delay": 10.386,
      "onscreen_delay": 7.933,
      "typing_delay": 2.453,
      "typing_duration": 8.828,
      "wpm": 41,
      "message": "โอเค เอาเป็นว่าเด็กพิเศษ"
    },
    {
      "message_id": 1688,
      "agent_id": 16,
      "delay": 6.383,
      "onscreen_delay": 4.192,
      "typing_delay": 2.191,
      "typing_duration": 8.845,
      "wpm": 51,
      "message": "ให้รวมกลุ่มกันเป็น 1 กลุ่ม ให้"
    },
    {
      "message_id": 1689,
      "agent_id": 29,
      "delay": 4.843,
      "onscreen_delay": 3.596,
      "typing_delay": 1.247,
      "typing_duration": 9.991,
      "wpm": 29,
      "message": "คุณครูอุ้ยช่วยในการ"
    },
    {
      "message_id": 1690,
      "agent_id": 13,
      "delay": 5.989,
      "onscreen_delay": 5.371,
      "typing_delay": 0.618,
      "typing_duration": 10.273,
      "wpm": 48,
      "message": "ทำแบบฝึกหัดทบทวนเนื้อหาตรงนี้นะคะ "
    },
    {
      "message_id": 1691,
      "agent_id": 14,
      "delay": 6.265,
      "onscreen_delay": 5.423,
      "typing_delay": 0.842,
      "typing_duration": 9.504,
      "wpm": 38,
      "message": "ต้องขอบคุณคุณครูล่ามด้วย "
    },
    {
      "message_id": 1692,
      "agent_id": 16,
      "delay": 5.503,
      "onscreen_delay": 4.167,
      "typing_delay": 1.336,
      "typing_duration": 6.631,
      "wpm": 75,
      "message": "สำหรับนักศึกษาคนอื่น ๆ ก็จับกลุ่ม "
    },
    {
      "message_id": 1693,
      "agent_id": 29,
      "delay": 2.624,
      "onscreen_delay": 1.38,
      "typing_delay": 1.244,
      "typing_duration": 9.423,
      "wpm": 45,
      "message": "2 คนก็ได้ 3 คนก็ได้ 2-3 นะคะ "
    },
    {
      "message_id": 1694,
      "agent_id": 13,
      "delay": 5.421,
      "onscreen_delay": 2.809,
      "typing_delay": 2.612,
      "typing_duration": 9.895,
      "wpm": 45,
      "message": "ไม่เกิน 3 คน ทำโจทย์นี้ส่งนะคะ "
    },
    {
      "message_id": 1695,
      "agent_id": 14,
      "delay": 5.893,
      "onscreen_delay": 5.334,
      "typing_delay": 0.559,
      "typing_duration": 8.378,
      "wpm": 13,
      "message": "การบ้าน "
    },
    {
      "message_id": 1696,
      "agent_id": 16,
      "delay": 4.377,
      "onscreen_delay": 1.698,
      "typing_delay": 2.679,
      "typing_duration": 7.885,
      "wpm": 57,
      "message": "แป๊บหนึ่งนะคะ เพื่อให้นักศึกษา"
    },
    {
      "message_id": 1697,
      "agent_id": 29,
      "delay": 3.88,
      "onscreen_delay": 0.612,
      "typing_delay": 3.268,
      "typing_duration": 8.955,
      "wpm": 42,
      "message": "(ล่าม) หูหนวกกลุ่มใหญ่น่ะ "
    },
    {
      "message_id": 1698,
      "agent_id": 13,
      "delay": 4.953,
      "onscreen_delay": 4.124,
      "typing_delay": 0.829,
      "typing_duration": 15,
      "wpm": 47,
      "message": "การบ้านนะคะ (ล่าม) พี่ DSS นะ (ล่าม) จดให้หน่อย "
    },
    {
      "message_id": 1699,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 6.656,
      "typing_delay": 4.342,
      "typing_duration": 4.342,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1700,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1701,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 8.174,
      "typing_delay": 2.826,
      "typing_duration": 6.638,
      "wpm": 77,
      "message": "(อาจารย์ชนัญกาญจน์) เอาง่าย ๆ นะคะ "
    },
    {
      "message_id": 1702,
      "agent_id": 13,
      "delay": 6.999,
      "onscreen_delay": 6.341,
      "typing_delay": 0.658,
      "typing_duration": 8.355,
      "wpm": 36,
      "message": "เอา 15 ก็ได้ นะคะ 15 "
    },
    {
      "message_id": 1703,
      "agent_id": 14,
      "delay": 4.353,
      "onscreen_delay": 2.962,
      "typing_delay": 1.391,
      "typing_duration": 7.86,
      "wpm": 21,
      "message": "ฐาน 10 นะคะ "
    },
    {
      "message_id": 1704,
      "agent_id": 16,
      "delay": 3.859,
      "onscreen_delay": 2.118,
      "typing_delay": 1.741,
      "typing_duration": 5.633,
      "wpm": 43,
      "message": "แปลงเป็นเลขฐาน 2 "
    },
    {
      "message_id": 1705,
      "agent_id": 29,
      "delay": 2.853,
      "onscreen_delay": 0,
      "typing_delay": 2.853,
      "typing_duration": 8.33,
      "wpm": 34,
      "message": "อันนี้ข้อที่ 1 นะคะ "
    },
    {
      "message_id": 1706,
      "agent_id": 13,
      "delay": 4.329,
      "onscreen_delay": 3.764,
      "typing_delay": 0.565,
      "typing_duration": 4.665,
      "wpm": 71,
      "message": "ข้อที่ 2 ข้อที่ 2 นะคะ "
    },
    {
      "message_id": 1707,
      "agent_id": 14,
      "delay": 7.524,
      "onscreen_delay": 0,
      "typing_delay": 7.524,
      "typing_duration": 7.524,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1708,
      "agent_id": 16,
      "delay": 3.662,
      "onscreen_delay": 0,
      "typing_delay": 3.662,
      "typing_duration": 5.885,
      "wpm": 28,
      "message": "จงแปลงคำตอบ"
    },
    {
      "message_id": 1709,
      "agent_id": 29,
      "delay": 1.881,
      "onscreen_delay": 1.13,
      "typing_delay": 0.751,
      "typing_duration": 9.384,
      "wpm": 13,
      "message": "จากข้อ 1 "
    },
    {
      "message_id": 1710,
      "agent_id": 13,
      "delay": 5.382,
      "onscreen_delay": 4.002,
      "typing_delay": 1.38,
      "typing_duration": 7.074,
      "wpm": 36,
      "message": "กลับเป็นเลขฐานสิบ "
    },
    {
      "message_id": 1711,
      "agent_id": 14,
      "delay": 3.044,
      "onscreen_delay": 2.548,
      "typing_delay": 0.496,
      "typing_duration": 10.793,
      "wpm": 56,
      "message": "แสดงว่าข้อ 1 ข้อ 2 นี้มันสัมพันธ์กันนะคะ "
    },
    {
      "message_id": 1712,
      "agent_id": 16,
      "delay": 6.791,
      "onscreen_delay": 5.289,
      "typing_delay": 1.502,
      "typing_duration": 5.899,
      "wpm": 66,
      "message": "ให้ 15 ใบ ได้คำตอบในอะไรคะ "
    },
    {
      "message_id": 1713,
      "agent_id": 29,
      "delay": 2.789,
      "onscreen_delay": 0.832,
      "typing_delay": 1.957,
      "typing_duration": 7.811,
      "wpm": 60,
      "message": "เอาคำตอบนั้นมาแปลงเป็นเลขฐานสิบ "
    },
    {
      "message_id": 1714,
      "agent_id": 13,
      "delay": 3.805,
      "onscreen_delay": 3.274,
      "typing_delay": 0.531,
      "typing_duration": 11.244,
      "wpm": 51,
      "message": "อันนี้ คือ ส่วนข้อ 3 (ล่าม) อาจารย์ค่ะ "
    },
    {
      "message_id": 1715,
      "agent_id": 14,
      "delay": 7.242,
      "onscreen_delay": 6.557,
      "typing_delay": 0.685,
      "typing_duration": 12.129,
      "wpm": 70,
      "message": "เดี๋ยวขอข้อ 1 ใหม่หน่อยค่ะ (อาจารย์ชนัญกาญจน์) ข้อ 1 นะคะ "
    },
    {
      "message_id": 1716,
      "agent_id": 16,
      "delay": 8.128,
      "onscreen_delay": 3.455,
      "typing_delay": 4.673,
      "typing_duration": 12.184,
      "wpm": 18,
      "message": "อยู่ใน Jamboard "
    },
    {
      "message_id": 1717,
      "agent_id": 29,
      "delay": 8.183,
      "onscreen_delay": 5.996,
      "typing_delay": 2.187,
      "typing_duration": 7.891,
      "wpm": 59,
      "message": "หน้าที่ 8 นะคะ ขออภัยลืมบอกหน้า "
    },
    {
      "message_id": 1718,
      "agent_id": 13,
      "delay": 4.181,
      "onscreen_delay": 1.839,
      "typing_delay": 2.342,
      "typing_duration": 11.426,
      "wpm": 25,
      "message": "โอเคนะ หน้าที่ 8 นะ "
    },
    {
      "message_id": 1719,
      "agent_id": 14,
      "delay": 7.425,
      "onscreen_delay": 6.515,
      "typing_delay": 0.91,
      "typing_duration": 12.683,
      "wpm": 38,
      "message": "ตอนนี้เรามี 11 หน้า พอดีเมาส์ครู"
    },
    {
      "message_id": 1720,
      "agent_id": 16,
      "delay": 8.681,
      "onscreen_delay": 7.196,
      "typing_delay": 1.485,
      "typing_duration": 4.64,
      "wpm": 29,
      "message": "คลิกเมาส์ "
    },
    {
      "message_id": 1721,
      "agent_id": 29,
      "delay": 4.676,
      "onscreen_delay": 2.757,
      "typing_delay": 1.919,
      "typing_duration": 11.023,
      "wpm": 44,
      "message": "สลับหลังอยู่ตอนนี้ หน้าที่ 8 ค่ะ "
    },
    {
      "message_id": 1722,
      "agent_id": 13,
      "delay": 7.021,
      "onscreen_delay": 5.349,
      "typing_delay": 1.672,
      "typing_duration": 13.272,
      "wpm": 36,
      "message": "ข้อที่ 1 จงแปลงเลข 12 เป็นฐานสอง "
    },
    {
      "message_id": 1723,
      "agent_id": 14,
      "delay": 9.271,
      "onscreen_delay": 8.9,
      "typing_delay": 0.371,
      "typing_duration": 9.186,
      "wpm": 65,
      "message": "พอได้คำตอบแล้วนี่ เอาคำตอบที่ได้จากข้อ 1 "
    },
    {
      "message_id": 1724,
      "agent_id": 16,
      "delay": 5.27,
      "onscreen_delay": 3.665,
      "typing_delay": 1.605,
      "typing_duration": 5.742,
      "wpm": 42,
      "message": "แปลงกับไปเป็น 75 "
    },
    {
      "message_id": 1725,
      "agent_id": 29,
      "delay": 1.741,
      "onscreen_delay": 1.483,
      "typing_delay": 0.258,
      "typing_duration": 10.044,
      "wpm": 46,
      "message": "ให้นักศึกษารีเช็กคำตอบของตัวเอง "
    },
    {
      "message_id": 1726,
      "agent_id": 13,
      "delay": 6.042,
      "onscreen_delay": 2.504,
      "typing_delay": 3.538,
      "typing_duration": 8.069,
      "wpm": 26,
      "message": "และก็ตรวจคำตอบ"
    },
    {
      "message_id": 1727,
      "agent_id": 14,
      "delay": 4.067,
      "onscreen_delay": 3.837,
      "typing_delay": 0.23,
      "typing_duration": 13.155,
      "wpm": 64,
      "message": "ด้วยตัวเอง จริง ๆ แล้วหลักคณิตศาสตร์ ข้อ 2 ตรวจคำตอบนะคะ "
    },
    {
      "message_id": 1728,
      "agent_id": 16,
      "delay": 9.154,
      "onscreen_delay": 8.199,
      "typing_delay": 0.955,
      "typing_duration": 6.5,
      "wpm": 74,
      "message": "ส่วนคำตอบข้อ 1 ถูกไหม ข้อ 3 นะคะ "
    },
    {
      "message_id": 1729,
      "agent_id": 29,
      "delay": 5.152,
      "onscreen_delay": 3.571,
      "typing_delay": 1.581,
      "typing_duration": 10.479,
      "wpm": 52,
      "message": "ครูสาธิต 100 ไปแล้ว ครูจะให้นักศึกษา"
    },
    {
      "message_id": 1730,
      "agent_id": 13,
      "delay": 6.478,
      "onscreen_delay": 4.035,
      "typing_delay": 2.443,
      "typing_duration": 6.167,
      "wpm": 19,
      "message": "ทำ 1,000 "
    },
    {
      "message_id": 1731,
      "agent_id": 14,
      "delay": 2.476,
      "onscreen_delay": 2.294,
      "typing_delay": 0.182,
      "typing_duration": 5.623,
      "wpm": 61,
      "message": "นักศึกษาเก่งกว่าครูนะคะ "
    },
    {
      "message_id": 1732,
      "agent_id": 16,
      "delay": 1.717,
      "onscreen_delay": 0,
      "typing_delay": 1.717,
      "typing_duration": 8.72,
      "wpm": 57,
      "message": "จงแปลง 1000 ในฐาน 10 ให้เป็นฐาน 8 "
    },
    {
      "message_id": 1733,
      "agent_id": 29,
      "delay": 14.272,
      "onscreen_delay": 0,
      "typing_delay": 14.272,
      "typing_duration": 15.001,
      "wpm": 4,
      "message": "พอได"
    },
    {
      "message_id": 1734,
      "agent_id": 13,
      "delay": 10.999,
      "onscreen_delay": 4.167,
      "typing_delay": 6.832,
      "typing_duration": 6.832,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1735,
      "agent_id": 14,
      "delay": 6.999,
      "onscreen_delay": 2.298,
      "typing_delay": 4.701,
      "typing_duration": 4.701,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1736,
      "agent_id": 16,
      "delay": 2.986,
      "onscreen_delay": 0.18,
      "typing_delay": 2.806,
      "typing_duration": 7.957,
      "wpm": 34,
      "message": "แล้วพอได้คำตอบแล้ว "
    },
    {
      "message_id": 1737,
      "agent_id": 29,
      "delay": 3.955,
      "onscreen_delay": 0.74,
      "typing_delay": 3.215,
      "typing_duration": 10.074,
      "wpm": 18,
      "message": "แสดงวิธีนะคะ "
    },
    {
      "message_id": 1738,
      "agent_id": 13,
      "delay": 6.072,
      "onscreen_delay": 3.623,
      "typing_delay": 2.449,
      "typing_duration": 7.485,
      "wpm": 30,
      "message": "แปลงคำตอบจากข้อ "
    },
    {
      "message_id": 1739,
      "agent_id": 14,
      "delay": 3.481,
      "onscreen_delay": 2.116,
      "typing_delay": 1.365,
      "typing_duration": 9.837,
      "wpm": 2,
      "message": "3 "
    },
    {
      "message_id": 1740,
      "agent_id": 16,
      "delay": 5.832,
      "onscreen_delay": 5.638,
      "typing_delay": 0.194,
      "typing_duration": 4.441,
      "wpm": 57,
      "message": "กับเป็นเลข ฐาน 10 "
    },
    {
      "message_id": 1741,
      "agent_id": 29,
      "delay": 1.99,
      "onscreen_delay": 0,
      "typing_delay": 1.99,
      "typing_duration": 7.315,
      "wpm": 21,
      "message": "ข้อนี้นะคะ "
    },
    {
      "message_id": 1742,
      "agent_id": 13,
      "delay": 3.308,
      "onscreen_delay": 0.721,
      "typing_delay": 2.587,
      "typing_duration": 7.865,
      "wpm": 38,
      "message": "ส่งงาน วิธิการส่งงาน "
    },
    {
      "message_id": 1743,
      "agent_id": 14,
      "delay": 3.863,
      "onscreen_delay": 1.655,
      "typing_delay": 2.208,
      "typing_duration": 11.634,
      "wpm": 41,
      "message": "พวกเราสะดวกส่งใน LINE กลุ่มไหมคะ "
    },
    {
      "message_id": 1744,
      "agent_id": 16,
      "delay": 7.633,
      "onscreen_delay": 7.409,
      "typing_delay": 0.224,
      "typing_duration": 9.273,
      "wpm": 63,
      "message": "หรือว่าอยากจะส่งเป็นใน Google Classroom "
    },
    {
      "message_id": 1745,
      "agent_id": 29,
      "delay": 5.271,
      "onscreen_delay": 4.46,
      "typing_delay": 0.811,
      "typing_duration": 12.906,
      "wpm": 45,
      "message": "สำหรับเด็กพิเศษการเข้า Google classroom "
    },
    {
      "message_id": 1746,
      "agent_id": 13,
      "delay": 8.903,
      "onscreen_delay": 7.764,
      "typing_delay": 1.139,
      "typing_duration": 7.879,
      "wpm": 55,
      "message": "อาจจะลำบากอยู่ ครูก็เลยอยากจะ"
    },
    {
      "message_id": 1747,
      "agent_id": 14,
      "delay": 4.9,
      "onscreen_delay": 4.567,
      "typing_delay": 0.333,
      "typing_duration": 13.544,
      "wpm": 48,
      "message": "เสนอนักศึกษาว่าส่งใน LINE กลุ่มเลย เพราะว่า"
    },
    {
      "message_id": 1748,
      "agent_id": 16,
      "delay": 9.54,
      "onscreen_delay": 8.058,
      "typing_delay": 1.482,
      "typing_duration": 5.533,
      "wpm": 57,
      "message": "มีครู แล้วก็มีครูล่าม "
    },
    {
      "message_id": 1749,
      "agent_id": 29,
      "delay": 5.538,
      "onscreen_delay": 4.658,
      "typing_delay": 0.88,
      "typing_duration": 14.546,
      "wpm": 29,
      "message": "นะคะ (เจ้าหน้าที่) อาจารย์คะ "
    },
    {
      "message_id": 1750,
      "agent_id": 13,
      "delay": 10.545,
      "onscreen_delay": 9.867,
      "typing_delay": 0.678,
      "typing_duration": 14.25,
      "wpm": 61,
      "message": "น้องเข้าได้ค่ะ (อาจารย์ชนัญกาญจน์) น้องส่งงานได้อยู่ใช่ไหม "
    },
    {
      "message_id": 1751,
      "agent_id": 14,
      "delay": 10.247,
      "onscreen_delay": 9.104,
      "typing_delay": 1.143,
      "typing_duration": 11.208,
      "wpm": 87,
      "message": "(เจ้าหน้าที่) ส่งงานได้ค่ะ (อาจารย์ชนัญกาญจน์) ถ้าอย่างนั้นงานนี้"
    },
    {
      "message_id": 1752,
      "agent_id": 16,
      "delay": 7.187,
      "onscreen_delay": 5.219,
      "typing_delay": 1.968,
      "typing_duration": 6.461,
      "wpm": 51,
      "message": "ส่งใน Google Classroom "
    },
    {
      "message_id": 1753,
      "agent_id": 29,
      "delay": 3.181,
      "onscreen_delay": 2.422,
      "typing_delay": 0.759,
      "typing_duration": 6.392,
      "wpm": 38,
      "message": "จะไปพิมพ์แจ้งให้"
    },
    {
      "message_id": 1754,
      "agent_id": 13,
      "delay": 2.391,
      "onscreen_delay": 1.252,
      "typing_delay": 1.139,
      "typing_duration": 13.105,
      "wpm": 53,
      "message": "(ล่าม) ข้อ 1 ถึง ข้อ 4 ให้น้องทำทุกข้อใช่ไหมคะ "
    },
    {
      "message_id": 1755,
      "agent_id": 14,
      "delay": 9.102,
      "onscreen_delay": 8.717,
      "typing_delay": 0.385,
      "typing_duration": 14.451,
      "wpm": 61,
      "message": "แล้วก็จับกลุ่มกัน 3-4 คนใช่ไหมคะ (อาจารย์ชนัญกาญจน์) ใช่ค่ะ "
    },
    {
      "message_id": 1756,
      "agent_id": 16,
      "delay": 10.445,
      "onscreen_delay": 10.427,
      "typing_delay": 0.018,
      "typing_duration": 6.728,
      "wpm": 60,
      "message": "สำหรับเด็กปกติไม่เกิน 3 ค่ะ "
    },
    {
      "message_id": 1757,
      "agent_id": 29,
      "delay": 6.445,
      "onscreen_delay": 4.425,
      "typing_delay": 2.02,
      "typing_duration": 11.503,
      "wpm": 69,
      "message": "(เจ้าหน้าที่) ค่ะ (อาจารย์ชนัญกาญจน์) แต่เด็กพิเศษนี่"
    },
    {
      "message_id": 1758,
      "agent_id": 13,
      "delay": 7.502,
      "onscreen_delay": 5.982,
      "typing_delay": 1.52,
      "typing_duration": 6.845,
      "wpm": 50,
      "message": "เป็นกลุ่มเดียวกับเลยค่ะ "
    },
    {
      "message_id": 1759,
      "agent_id": 14,
      "delay": 3.501,
      "onscreen_delay": 3.193,
      "typing_delay": 0.308,
      "typing_duration": 9.199,
      "wpm": 62,
      "message": "ต้องขอความอนุเคราะห์คุณครูล่ามช่วยนะคะ "
    },
    {
      "message_id": 1760,
      "agent_id": 16,
      "delay": 5.196,
      "onscreen_delay": 3.265,
      "typing_delay": 1.931,
      "typing_duration": 8.961,
      "wpm": 52,
      "message": "ประหนึ่งเป็นผู้ปกครองพาลูกเรียน "
    },
    {
      "message_id": 1761,
      "agent_id": 29,
      "delay": 4.96,
      "onscreen_delay": 3.94,
      "typing_delay": 1.02,
      "typing_duration": 13.506,
      "wpm": 28,
      "message": "โอเค ก็ก่อนจะจากกันวันนี้ "
    },
    {
      "message_id": 1762,
      "agent_id": 13,
      "delay": 9.504,
      "onscreen_delay": 8.567,
      "typing_delay": 0.937,
      "typing_duration": 13.054,
      "wpm": 48,
      "message": "เดี๋ยวครูจะแนะนำวิธีการตรวจคำตอบด้วย Excel "
    },
    {
      "message_id": 1763,
      "agent_id": 14,
      "delay": 9.046,
      "onscreen_delay": 8.805,
      "typing_delay": 0.241,
      "typing_duration": 12.013,
      "wpm": 45,
      "message": "นะคะ เดี๋ยวครูจะขอใช้ Excel นิดหนึ่ง "
    },
    {
      "message_id": 1764,
      "agent_id": 16,
      "delay": 8.012,
      "onscreen_delay": 6.172,
      "typing_delay": 1.84,
      "typing_duration": 6.593,
      "wpm": 36,
      "message": "ใช้เวลา 2-3 นาที "
    },
    {
      "message_id": 1765,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1766,
      "agent_id": 13,
      "delay": 11.497,
      "onscreen_delay": 0,
      "typing_delay": 11.497,
      "typing_duration": 11.497,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1767,
      "agent_id": 14,
      "delay": 7.496,
      "onscreen_delay": 4.468,
      "typing_delay": 3.028,
      "typing_duration": 5.879,
      "wpm": 51,
      "message": "จบการนำเสนอแป๊บหนึ่ง "
    },
    {
      "message_id": 1768,
      "agent_id": 16,
      "delay": 3.492,
      "onscreen_delay": 0.586,
      "typing_delay": 2.906,
      "typing_duration": 7.933,
      "wpm": 49,
      "message": "ฝากให้มีคอมพิวเตอร์ที่บ้าน "
    },
    {
      "message_id": 1769,
      "agent_id": 29,
      "delay": 3.932,
      "onscreen_delay": 2.02,
      "typing_delay": 1.912,
      "typing_duration": 9.166,
      "wpm": 20,
      "message": "ช่วยกันคำนวน "
    },
    {
      "message_id": 1770,
      "agent_id": 13,
      "delay": 5.164,
      "onscreen_delay": 2.827,
      "typing_delay": 2.337,
      "typing_duration": 12.3,
      "wpm": 30,
      "message": "หาคำตอบในการแปลงเลขฐานได้"
    },
    {
      "message_id": 1771,
      "agent_id": 14,
      "delay": 8.299,
      "onscreen_delay": 7.881,
      "typing_delay": 0.418,
      "typing_duration": 5.601,
      "wpm": 72,
      "message": "นะคะ เดี๋ยวครูเปิดแป๊บหนึ่ง "
    },
    {
      "message_id": 1772,
      "agent_id": 16,
      "delay": 4.296,
      "onscreen_delay": 1.105,
      "typing_delay": 3.191,
      "typing_duration": 5.834,
      "wpm": 31,
      "message": "คำสั่งที่ใช้ "
    },
    {
      "message_id": 1773,
      "agent_id": 29,
      "delay": 2.343,
      "onscreen_delay": 0,
      "typing_delay": 2.343,
      "typing_duration": 9.773,
      "wpm": 34,
      "message": "อย่างที่เราเรียนเรื่อง"
    },
    {
      "message_id": 1774,
      "agent_id": 13,
      "delay": 5.772,
      "onscreen_delay": 5.173,
      "typing_delay": 0.599,
      "typing_duration": 10.381,
      "wpm": 29,
      "message": "ฟังก์ชันใน Excel นี่ "
    },
    {
      "message_id": 1775,
      "agent_id": 14,
      "delay": 6.379,
      "onscreen_delay": 6.064,
      "typing_delay": 0.315,
      "typing_duration": 12.033,
      "wpm": 50,
      "message": "เราต้องมีเครื่องหมายเท่ากับ (=) ก่อนนะคะ "
    },
    {
      "message_id": 1776,
      "agent_id": 16,
      "delay": 8.033,
      "onscreen_delay": 6.683,
      "typing_delay": 1.35,
      "typing_duration": 8.29,
      "wpm": 60,
      "message": "ที่ตั้งอยู่ในแอปพลิเคชันสำเร็จรูป"
    },
    {
      "message_id": 1777,
      "agent_id": 29,
      "delay": 4.28,
      "onscreen_delay": 3.684,
      "typing_delay": 0.596,
      "typing_duration": 5.689,
      "wpm": 63,
      "message": "นะคะ อันนี้ครูจะแชร์แล้ว "
    },
    {
      "message_id": 1778,
      "agent_id": 13,
      "delay": 1.687,
      "onscreen_delay": 0.275,
      "typing_delay": 1.412,
      "typing_duration": 6.654,
      "wpm": 50,
      "message": "อันนี้แก้ให้ แป๊บหนึ่ง "
    },
    {
      "message_id": 1779,
      "agent_id": 14,
      "delay": 4.95,
      "onscreen_delay": 0,
      "typing_delay": 4.95,
      "typing_duration": 7.812,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1780,
      "agent_id": 16,
      "delay": 3.807,
      "onscreen_delay": 2.677,
      "typing_delay": 1.13,
      "typing_duration": 7.468,
      "wpm": 54,
      "message": "โอเค ตอนนี้นะคะ ครูพิมพ์ตัว "
    },
    {
      "message_id": 1781,
      "agent_id": 29,
      "delay": 3.453,
      "onscreen_delay": 3.089,
      "typing_delay": 0.364,
      "typing_duration": 4.625,
      "wpm": 32,
      "message": "เท่ากับ bi "
    },
    {
      "message_id": 1782,
      "agent_id": 13,
      "delay": 2.735,
      "onscreen_delay": 0,
      "typing_delay": 2.735,
      "typing_duration": 11.899,
      "wpm": 43,
      "message": "เผื่อนักศึกษาจะเตือนคำตอบของตัวเอง"
    },
    {
      "message_id": 1783,
      "agent_id": 14,
      "delay": 7.894,
      "onscreen_delay": 7.069,
      "typing_delay": 0.825,
      "typing_duration": 7.877,
      "wpm": 29,
      "message": "นะคะ เท่ากับ BI "
    },
    {
      "message_id": 1784,
      "agent_id": 16,
      "delay": 3.893,
      "onscreen_delay": 3.294,
      "typing_delay": 0.599,
      "typing_duration": 5.436,
      "wpm": 55,
      "message": "bi มาจากคำว่า binary "
    },
    {
      "message_id": 1785,
      "agent_id": 29,
      "delay": 1.434,
      "onscreen_delay": 1.009,
      "typing_delay": 0.425,
      "typing_duration": 9.377,
      "wpm": 32,
      "message": "ที่ขึ้นต้นด้วยตัว BI "
    },
    {
      "message_id": 1786,
      "agent_id": 13,
      "delay": 5.375,
      "onscreen_delay": 4.686,
      "typing_delay": 0.689,
      "typing_duration": 4.871,
      "wpm": 46,
      "message": "ที่เจอ ก็คือ... "
    },
    {
      "message_id": 1787,
      "agent_id": 14,
      "delay": 1.374,
      "onscreen_delay": 0.674,
      "typing_delay": 0.7,
      "typing_duration": 9.363,
      "wpm": 45,
      "message": "ก็คือแปลงรูปฐานสองเป็นฐานสิบ "
    },
    {
      "message_id": 1788,
      "agent_id": 16,
      "delay": 5.362,
      "onscreen_delay": 4.084,
      "typing_delay": 1.278,
      "typing_duration": 5.838,
      "wpm": 62,
      "message": "เขาใช้คำสั่ง binary นะคะ "
    },
    {
      "message_id": 1789,
      "agent_id": 29,
      "delay": 1.837,
      "onscreen_delay": 1.622,
      "typing_delay": 0.215,
      "typing_duration": 7.689,
      "wpm": 51,
      "message": "เข้าใช้ 3 ตัวแรก ก็คือ bin "
    },
    {
      "message_id": 1790,
      "agent_id": 13,
      "delay": 3.688,
      "onscreen_delay": 3.026,
      "typing_delay": 0.662,
      "typing_duration": 7.179,
      "wpm": 21,
      "message": "to to อะไร "
    },
    {
      "message_id": 1791,
      "agent_id": 14,
      "delay": 3.177,
      "onscreen_delay": 2.958,
      "typing_delay": 0.219,
      "typing_duration": 14.106,
      "wpm": 28,
      "message": "เลขฐานสิบเขาใช้คำว่า \"dec\" "
    },
    {
      "message_id": 1792,
      "agent_id": 16,
      "delay": 10.102,
      "onscreen_delay": 8.409,
      "typing_delay": 1.693,
      "typing_duration": 8.271,
      "wpm": 58,
      "message": "อันนี้แปลงเลขฐาน 2 ให้เป็นฐาน 10"
    },
    {
      "message_id": 1793,
      "agent_id": 29,
      "delay": 6.1,
      "onscreen_delay": 5.285,
      "typing_delay": 0.815,
      "typing_duration": 10.522,
      "wpm": 56,
      "message": "ฐาน 10 เราดูโจทย์ที่เราเรียนใน Jamboard "
    },
    {
      "message_id": 1794,
      "agent_id": 13,
      "delay": 6.521,
      "onscreen_delay": 5.132,
      "typing_delay": 1.389,
      "typing_duration": 5.744,
      "wpm": 39,
      "message": "หน้าที่ หน้าที่"
    },
    {
      "message_id": 1795,
      "agent_id": 14,
      "delay": 2.519,
      "onscreen_delay": 2.299,
      "typing_delay": 0.22,
      "typing_duration": 6.522,
      "wpm": 74,
      "message": "เท่าไรดี เดี๋ยวนะคะครูเลื่อนก่อน "
    },
    {
      "message_id": 1796,
      "agent_id": 16,
      "delay": 2.521,
      "onscreen_delay": 1.303,
      "typing_delay": 1.218,
      "typing_duration": 9.1,
      "wpm": 63,
      "message": "หน้าที่ 5 นะคะ เป็นวันเกิดของเพื่อนเรา "
    },
    {
      "message_id": 1797,
      "agent_id": 29,
      "delay": 5.084,
      "onscreen_delay": 3.329,
      "typing_delay": 1.755,
      "typing_duration": 7.564,
      "wpm": 46,
      "message": "ถ้าแปลงเป็นเลขฐาน 2 คือ "
    },
    {
      "message_id": 1798,
      "agent_id": 13,
      "delay": 3.557,
      "onscreen_delay": 2.969,
      "typing_delay": 0.588,
      "typing_duration": 6.404,
      "wpm": 12,
      "message": "11011 "
    },
    {
      "message_id": 1799,
      "agent_id": 14,
      "delay": 2.401,
      "onscreen_delay": 1.42,
      "typing_delay": 0.981,
      "typing_duration": 6.258,
      "wpm": 24,
      "message": "แล้ว Enter "
    },
    {
      "message_id": 1800,
      "agent_id": 16,
      "delay": 2.256,
      "onscreen_delay": 1.736,
      "typing_delay": 0.52,
      "typing_duration": 5.182,
      "wpm": 72,
      "message": "เป็นวันเกิดเพื่อนเราไหมคะ "
    },
    {
      "message_id": 1801,
      "agent_id": 29,
      "delay": 1.181,
      "onscreen_delay": 0.465,
      "typing_delay": 0.716,
      "typing_duration": 9.557,
      "wpm": 67,
      "message": "เพื่อนเราเกิดวันที่ 27 แล้วครูพาเราคำนวณมือ "
    },
    {
      "message_id": 1802,
      "agent_id": 13,
      "delay": 5.555,
      "onscreen_delay": 4.743,
      "typing_delay": 0.812,
      "typing_duration": 10.365,
      "wpm": 52,
      "message": "เราก็ได้คำตอบในเลขฐานสอง ก็คือตัวนี้ "
    },
    {
      "message_id": 1803,
      "agent_id": 14,
      "delay": 6.364,
      "onscreen_delay": 4.078,
      "typing_delay": 2.286,
      "typing_duration": 7.993,
      "wpm": 47,
      "message": "เดี๋ยวครูทำให้ดูแป๊บหนึ่ง "
    },
    {
      "message_id": 1804,
      "agent_id": 16,
      "delay": 3.99,
      "onscreen_delay": 1.706,
      "typing_delay": 2.284,
      "typing_duration": 5.781,
      "wpm": 39,
      "message": "ตรงนี้นะคะ 1011"
    },
    {
      "message_id": 1805,
      "agent_id": 29,
      "delay": 1.779,
      "onscreen_delay": 1.389,
      "typing_delay": 0.39,
      "typing_duration": 11.564,
      "wpm": 56,
      "message": "ตัวนี้เป็นเลขฐานสอง เปลี่ยนฐานสองเป็นฐานสิบ "
    },
    {
      "message_id": 1806,
      "agent_id": 13,
      "delay": 7.558,
      "onscreen_delay": 6.366,
      "typing_delay": 1.192,
      "typing_duration": 9.765,
      "wpm": 25,
      "message": "=bin มากจากคำว่า "
    },
    {
      "message_id": 1807,
      "agent_id": 14,
      "delay": 5.764,
      "onscreen_delay": 4.842,
      "typing_delay": 0.922,
      "typing_duration": 11.2,
      "wpm": 9,
      "message": "BIN2DEC "
    },
    {
      "message_id": 1808,
      "agent_id": 16,
      "delay": 7.197,
      "onscreen_delay": 5.324,
      "typing_delay": 1.873,
      "typing_duration": 4.749,
      "wpm": 47,
      "message": "ดังนั้น การบ้าน "
    },
    {
      "message_id": 1809,
      "agent_id": 29,
      "delay": 3.194,
      "onscreen_delay": 2.554,
      "typing_delay": 0.64,
      "typing_duration": 11.158,
      "wpm": 71,
      "message": "คราวนี้ถ้าเกิดจะเปลี่ยนฐานสิบเป็นฐานสอง ก็ขึ้นต้นด้วย "
    },
    {
      "message_id": 1810,
      "agent_id": 13,
      "delay": 7.157,
      "onscreen_delay": 5.237,
      "typing_delay": 1.92,
      "typing_duration": 14.049,
      "wpm": 14,
      "message": "D D to อะไรคะ "
    },
    {
      "message_id": 1811,
      "agent_id": 14,
      "delay": 10.048,
      "onscreen_delay": 8.859,
      "typing_delay": 1.189,
      "typing_duration": 9.646,
      "wpm": 37,
      "message": "dec2bin นะคะ หรือ Binary "
    },
    {
      "message_id": 1812,
      "agent_id": 16,
      "delay": 6.046,
      "onscreen_delay": 5.216,
      "typing_delay": 0.83,
      "typing_duration": 6.967,
      "wpm": 67,
      "message": "ใส่ 27 ลงไป ตอนนี้คือ จะแปลงเลข "
    },
    {
      "message_id": 1813,
      "agent_id": 29,
      "delay": 2.966,
      "onscreen_delay": 0.928,
      "typing_delay": 2.038,
      "typing_duration": 9.312,
      "wpm": 31,
      "message": "ฐานสิบให้เป็นฐานสอง "
    },
    {
      "message_id": 1814,
      "agent_id": 13,
      "delay": 5.28,
      "onscreen_delay": 4.693,
      "typing_delay": 0.587,
      "typing_duration": 14.419,
      "wpm": 23,
      "message": "ใช้คำสั่ง =decimal2bin "
    },
    {
      "message_id": 1815,
      "agent_id": 14,
      "delay": 10.416,
      "onscreen_delay": 9.148,
      "typing_delay": 1.268,
      "typing_duration": 7.083,
      "wpm": 38,
      "message": "แล้ว Enter ตอบแล้ว "
    },
    {
      "message_id": 1816,
      "agent_id": 16,
      "delay": 6.414,
      "onscreen_delay": 1.224,
      "typing_delay": 5.19,
      "typing_duration": 8.249,
      "wpm": 25,
      "message": "ครูสาธิตการใช้ "
    },
    {
      "message_id": 1817,
      "agent_id": 29,
      "delay": 4.247,
      "onscreen_delay": 0.933,
      "typing_delay": 3.314,
      "typing_duration": 8.204,
      "wpm": 31,
      "message": "มีวิธีช่วยหาคำตอบ "
    },
    {
      "message_id": 1818,
      "agent_id": 13,
      "delay": 4.203,
      "onscreen_delay": 2.959,
      "typing_delay": 1.244,
      "typing_duration": 14.675,
      "wpm": 28,
      "message": "เพราะเราเป็นเด็กไอทีเราต้อง "
    },
    {
      "message_id": 1819,
      "agent_id": 14,
      "delay": 10.67,
      "onscreen_delay": 8.839,
      "typing_delay": 1.831,
      "typing_duration": 14.495,
      "wpm": 25,
      "message": "เห็นไหมคะ คำสั่งที่ใช้มี "
    },
    {
      "message_id": 1820,
      "agent_id": 16,
      "delay": 10.494,
      "onscreen_delay": 7.704,
      "typing_delay": 2.79,
      "typing_duration": 8.143,
      "wpm": 55,
      "message": "คำสั่งที่ 2 ที่ใช้ มี 2 คำสั่ง "
    },
    {
      "message_id": 1821,
      "agent_id": 29,
      "delay": 6.492,
      "onscreen_delay": 5.887,
      "typing_delay": 0.605,
      "typing_duration": 12.376,
      "wpm": 33,
      "message": "เลขฐานแปดล่ะ ฐานแปด เท่ากับ "
    },
    {
      "message_id": 1822,
      "agent_id": 13,
      "delay": 8.373,
      "onscreen_delay": 6.791,
      "typing_delay": 1.582,
      "typing_duration": 8.744,
      "wpm": 10,
      "message": "h นะคะ "
    },
    {
      "message_id": 1823,
      "agent_id": 14,
      "delay": 4.743,
      "onscreen_delay": 4.097,
      "typing_delay": 0.646,
      "typing_duration": 13.294,
      "wpm": 39,
      "message": "เลขฐานสิบเป็นฐานแปด เดี๋ยวแป๊บหนึ่ง "
    },
    {
      "message_id": 1824,
      "agent_id": 16,
      "delay": 9.293,
      "onscreen_delay": 4.604,
      "typing_delay": 4.689,
      "typing_duration": 9.274,
      "wpm": 24,
      "message": "ฐาน 10 ชู ฐาน 8 "
    },
    {
      "message_id": 1825,
      "agent_id": 29,
      "delay": 5.292,
      "onscreen_delay": 4.562,
      "typing_delay": 0.73,
      "typing_duration": 11.561,
      "wpm": 12,
      "message": "นะคะ 2hex "
    },
    {
      "message_id": 1826,
      "agent_id": 13,
      "delay": 7.56,
      "onscreen_delay": 4.378,
      "typing_delay": 3.182,
      "typing_duration": 11.227,
      "wpm": 37,
      "message": "เมื่อกี้ครูยกตัวอย่างในสไลด์"
    },
    {
      "message_id": 1827,
      "agent_id": 14,
      "delay": 7.225,
      "onscreen_delay": 6.751,
      "typing_delay": 0.474,
      "typing_duration": 7.938,
      "wpm": 57,
      "message": "หน้าที่... เดี๋ยวนะคะแป๊บหนึ่ง "
    },
    {
      "message_id": 1828,
      "agent_id": 16,
      "delay": 3.938,
      "onscreen_delay": 0.209,
      "typing_delay": 3.729,
      "typing_duration": 6.633,
      "wpm": 20,
      "message": "หน้าที่ 9 "
    },
    {
      "message_id": 1829,
      "agent_id": 29,
      "delay": 2.631,
      "onscreen_delay": 0.702,
      "typing_delay": 1.929,
      "typing_duration": 10.451,
      "wpm": 33,
      "message": "แปลง 100 เป็นเลข ฐานแปด "
    },
    {
      "message_id": 1830,
      "agent_id": 13,
      "delay": 6.446,
      "onscreen_delay": 5.349,
      "typing_delay": 1.097,
      "typing_duration": 5.633,
      "wpm": 35,
      "message": "เราได้คำตอบ ก"
    },
    {
      "message_id": 1831,
      "agent_id": 14,
      "delay": 2.444,
      "onscreen_delay": 1.718,
      "typing_delay": 0.726,
      "typing_duration": 10.491,
      "wpm": 37,
      "message": "Enter แป๊บหนึ่งครูทำตรงไหน "
    },
    {
      "message_id": 1832,
      "agent_id": 16,
      "delay": 6.477,
      "onscreen_delay": 2.249,
      "typing_delay": 4.228,
      "typing_duration": 4.228,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1833,
      "agent_id": 29,
      "delay": 2.476,
      "onscreen_delay": 1.4,
      "typing_delay": 1.076,
      "typing_duration": 9.64,
      "wpm": 42,
      "message": "เลขฐานสิบหก ขอโทษนะนักศึกษา"
    },
    {
      "message_id": 1834,
      "agent_id": 13,
      "delay": 5.64,
      "onscreen_delay": 3.219,
      "typing_delay": 2.421,
      "typing_duration": 4.174,
      "wpm": 32,
      "message": "แป๊บหนึ่ง "
    },
    {
      "message_id": 1835,
      "agent_id": 14,
      "delay": 7.074,
      "onscreen_delay": 0,
      "typing_delay": 7.074,
      "typing_duration": 7.074,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1836,
      "agent_id": 16,
      "delay": 3.666,
      "onscreen_delay": 0,
      "typing_delay": 3.666,
      "typing_duration": 9.084,
      "wpm": 38,
      "message": "เลขฐาน 8 ก็คือเลขฐาน 16 "
    },
    {
      "message_id": 1837,
      "agent_id": 29,
      "delay": 5.082,
      "onscreen_delay": 3.366,
      "typing_delay": 1.716,
      "typing_duration": 5.889,
      "wpm": 33,
      "message": "โอเคแป๊บหนึ่ง "
    },
    {
      "message_id": 1838,
      "agent_id": 13,
      "delay": 3.283,
      "onscreen_delay": 0,
      "typing_delay": 3.283,
      "typing_duration": 10.406,
      "wpm": 14,
      "message": "oct -o-c-t "
    },
    {
      "message_id": 1839,
      "agent_id": 14,
      "delay": 6.402,
      "onscreen_delay": 1.377,
      "typing_delay": 5.025,
      "typing_duration": 15.001,
      "wpm": 18,
      "message": "hex ก็คือเลขฐาน 16 "
    },
    {
      "message_id": 1840,
      "agent_id": 16,
      "delay": 10.999,
      "onscreen_delay": 9.705,
      "typing_delay": 1.294,
      "typing_duration": 4.869,
      "wpm": 43,
      "message": "ก็คือเลขฐาน 16 "
    },
    {
      "message_id": 1841,
      "agent_id": 29,
      "delay": 6.994,
      "onscreen_delay": 3.973,
      "typing_delay": 3.021,
      "typing_duration": 12.922,
      "wpm": 16,
      "message": "โอเค ดูทันนะคะ "
    },
    {
      "message_id": 1842,
      "agent_id": 13,
      "delay": 8.917,
      "onscreen_delay": 7.132,
      "typing_delay": 1.785,
      "typing_duration": 10.965,
      "wpm": 27,
      "message": "DEC แล้วตามด้วยเลข 2 "
    },
    {
      "message_id": 1843,
      "agent_id": 14,
      "delay": 6.964,
      "onscreen_delay": 4.578,
      "typing_delay": 2.386,
      "typing_duration": 11.158,
      "wpm": 11,
      "message": "2OCT OCT "
    },
    {
      "message_id": 1844,
      "agent_id": 16,
      "delay": 7.156,
      "onscreen_delay": 5.627,
      "typing_delay": 1.529,
      "typing_duration": 9.484,
      "wpm": 43,
      "message": "แปลว่า 8 เดี๋ยวครู copy ให้ "
    },
    {
      "message_id": 1845,
      "agent_id": 29,
      "delay": 5.47,
      "onscreen_delay": 1.181,
      "typing_delay": 4.289,
      "typing_duration": 4.289,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1846,
      "agent_id": 13,
      "delay": 5.279,
      "onscreen_delay": 0,
      "typing_delay": 5.279,
      "typing_duration": 7.248,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1847,
      "agent_id": 14,
      "delay": 3.248,
      "onscreen_delay": 1.503,
      "typing_delay": 1.745,
      "typing_duration": 8.91,
      "wpm": 45,
      "message": "ต่อไปสุดท้ายคำสั่งที่จะตรวจ"
    },
    {
      "message_id": 1848,
      "agent_id": 16,
      "delay": 4.907,
      "onscreen_delay": 3.585,
      "typing_delay": 1.322,
      "typing_duration": 6.385,
      "wpm": 56,
      "message": "เลขฐาน 8 เป็นฐาน 10 นะคะ "
    },
    {
      "message_id": 1849,
      "agent_id": 29,
      "delay": 2.385,
      "onscreen_delay": 0.901,
      "typing_delay": 1.484,
      "typing_duration": 15.001,
      "wpm": 5,
      "message": "oct=2"
    },
    {
      "message_id": 1850,
      "agent_id": 13,
      "delay": 10.999,
      "onscreen_delay": 9.22,
      "typing_delay": 1.779,
      "typing_duration": 7.613,
      "wpm": 26,
      "message": "แล้วก็ใส่ 144 "
    },
    {
      "message_id": 1851,
      "agent_id": 14,
      "delay": 6.999,
      "onscreen_delay": 2.025,
      "typing_delay": 4.974,
      "typing_duration": 4.974,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1852,
      "agent_id": 16,
      "delay": 2.997,
      "onscreen_delay": 1.044,
      "typing_delay": 1.953,
      "typing_duration": 6.903,
      "wpm": 52,
      "message": "ตอนนี้ครูจะตรวจคำตอบนะคะ "
    },
    {
      "message_id": 1853,
      "agent_id": 29,
      "delay": 2.902,
      "onscreen_delay": 1.744,
      "typing_delay": 1.158,
      "typing_duration": 13.121,
      "wpm": 46,
      "message": "ใส่ตัวเลขฐานแปดลงไป แล้วก็ให้หาเลขฐานสิบ "
    },
    {
      "message_id": 1854,
      "agent_id": 13,
      "delay": 9.12,
      "onscreen_delay": 7.346,
      "typing_delay": 1.774,
      "typing_duration": 9.328,
      "wpm": 45,
      "message": "เห็นไหมคะ มันจะย้อนไป ย้อนมา "
    },
    {
      "message_id": 1855,
      "agent_id": 14,
      "delay": 5.328,
      "onscreen_delay": 2.937,
      "typing_delay": 2.391,
      "typing_duration": 7.82,
      "wpm": 38,
      "message": "ตัวนี้ก็เสริมให้นะคะ "
    },
    {
      "message_id": 1856,
      "agent_id": 16,
      "delay": 3.818,
      "onscreen_delay": 2.23,
      "typing_delay": 1.588,
      "typing_duration": 10.519,
      "wpm": 77,
      "message": "นอกจากเราคำนวณมือได้แล้ว เรายังใช้แอปพลิเคชันในการตรวจ"
    },
    {
      "message_id": 1857,
      "agent_id": 29,
      "delay": 6.517,
      "onscreen_delay": 6.062,
      "typing_delay": 0.455,
      "typing_duration": 5.124,
      "wpm": 59,
      "message": "หรือตรวจสอบคำตอบด้วย "
    },
    {
      "message_id": 1858,
      "agent_id": 13,
      "delay": 2.517,
      "onscreen_delay": 1.516,
      "typing_delay": 1.001,
      "typing_duration": 14.442,
      "wpm": 54,
      "message": "ก็ไม่ได้คำนวณมือ ถ้าเรามีเทคโนโลยี เราก็ใช้เทคโนโลยี"
    },
    {
      "message_id": 1859,
      "agent_id": 14,
      "delay": 10.441,
      "onscreen_delay": 9.621,
      "typing_delay": 0.82,
      "typing_duration": 11.085,
      "wpm": 47,
      "message": "นะคะ แต่ในวันที่เทคโนโลยีเรามันเจ๋ง "
    },
    {
      "message_id": 1860,
      "agent_id": 16,
      "delay": 7.083,
      "onscreen_delay": 6.346,
      "typing_delay": 0.737,
      "typing_duration": 6.633,
      "wpm": 29,
      "message": "เราก็คำนวณว่า"
    },
    {
      "message_id": 1861,
      "agent_id": 29,
      "delay": 3.082,
      "onscreen_delay": 2.271,
      "typing_delay": 0.811,
      "typing_duration": 7.5,
      "wpm": 60,
      "message": "เราจะเลือกไปใช้งานตามสถานการณ์ "
    },
    {
      "message_id": 1862,
      "agent_id": 13,
      "delay": 3.499,
      "onscreen_delay": 3.301,
      "typing_delay": 0.198,
      "typing_duration": 5.367,
      "wpm": 64,
      "message": "โอเคนะคะ มีคำถามไหมเอ่ย "
    },
    {
      "message_id": 1863,
      "agent_id": 14,
      "delay": 4.397,
      "onscreen_delay": 0,
      "typing_delay": 4.397,
      "typing_duration": 4.397,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1864,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1865,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 8.403,
      "typing_delay": 2.597,
      "typing_duration": 11.202,
      "wpm": 50,
      "message": "พี่อุ้ยคะ วันนี้ลูกศิษย์มีใครขาดไหมคะ "
    },
    {
      "message_id": 1866,
      "agent_id": 13,
      "delay": 7.2,
      "onscreen_delay": 5.397,
      "typing_delay": 1.803,
      "typing_duration": 13.058,
      "wpm": 41,
      "message": "ถามครูอุ้ยเลย ให้ครูอุ้ยเช็กให้หน่อย "
    },
    {
      "message_id": 1867,
      "agent_id": 14,
      "delay": 9.057,
      "onscreen_delay": 1.821,
      "typing_delay": 7.236,
      "typing_duration": 7.236,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1868,
      "agent_id": 16,
      "delay": 5.603,
      "onscreen_delay": 0,
      "typing_delay": 5.603,
      "typing_duration": 12.343,
      "wpm": 22,
      "message": "ครูอุ้ยหรือครูอุ๋ย "
    },
    {
      "message_id": 1869,
      "agent_id": 29,
      "delay": 8.342,
      "onscreen_delay": 4.721,
      "typing_delay": 3.621,
      "typing_duration": 12.889,
      "wpm": 24,
      "message": "คุณสุภาพรณ์ อยู่ไหมคะ "
    },
    {
      "message_id": 1870,
      "agent_id": 13,
      "delay": 8.884,
      "onscreen_delay": 5.228,
      "typing_delay": 3.656,
      "typing_duration": 11.007,
      "wpm": 68,
      "message": "(ล่าม) เดี๋ยวแป๊บหนึ่งนะคะ (อาจารย์ชนัญกาญจน์) ฝาก"
    },
    {
      "message_id": 1871,
      "agent_id": 14,
      "delay": 7.005,
      "onscreen_delay": 6.786,
      "typing_delay": 0.219,
      "typing_duration": 6.959,
      "wpm": 58,
      "message": "ช่วยเช็กลูกศิษย์ให้หน่อยค่ะ "
    },
    {
      "message_id": 1872,
      "agent_id": 16,
      "delay": 4.276,
      "onscreen_delay": 0,
      "typing_delay": 4.276,
      "typing_duration": 11.023,
      "wpm": 44,
      "message": "ในระหว่างที่รอคุณครูอุ๊ยเช็กชื่อ "
    },
    {
      "message_id": 1873,
      "agent_id": 29,
      "delay": 7.023,
      "onscreen_delay": 6.101,
      "typing_delay": 0.922,
      "typing_duration": 9.447,
      "wpm": 67,
      "message": "ใครอยากจะคุยแลกเปลี่ยนสอบถามครู เปิดได้เลย"
    },
    {
      "message_id": 1874,
      "agent_id": 13,
      "delay": 5.445,
      "onscreen_delay": 4.333,
      "typing_delay": 1.112,
      "typing_duration": 4.385,
      "wpm": 14,
      "message": "นะคะ "
    },
    {
      "message_id": 1875,
      "agent_id": 14,
      "delay": 4.345,
      "onscreen_delay": 0,
      "typing_delay": 4.345,
      "typing_duration": 4.345,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1876,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1877,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1878,
      "agent_id": 13,
      "delay": 10.999,
      "onscreen_delay": 7.611,
      "typing_delay": 3.388,
      "typing_duration": 11.011,
      "wpm": 19,
      "message": "อุ้ม, อบ, มิ้น "
    },
    {
      "message_id": 1879,
      "agent_id": 14,
      "delay": 7.005,
      "onscreen_delay": 2.285,
      "typing_delay": 4.72,
      "typing_duration": 10.97,
      "wpm": 30,
      "message": "(เจ้าหน้าที่) นพกิตค่ะ "
    },
    {
      "message_id": 1880,
      "agent_id": 16,
      "delay": 6.967,
      "onscreen_delay": 5.206,
      "typing_delay": 1.761,
      "typing_duration": 5.898,
      "wpm": 46,
      "message": "นพกิตไม่มาใช่ไหมคะ "
    },
    {
      "message_id": 1881,
      "agent_id": 29,
      "delay": 2.965,
      "onscreen_delay": 2.037,
      "typing_delay": 0.928,
      "typing_duration": 8.542,
      "wpm": 42,
      "message": "มาค่ะ ๆ (ล่าม) ยกมือทำไม "
    },
    {
      "message_id": 1882,
      "agent_id": 13,
      "delay": 4.537,
      "onscreen_delay": 3.019,
      "typing_delay": 1.518,
      "typing_duration": 8.068,
      "wpm": 82,
      "message": "(อาจารย์ชนัญกาญจน์) วันนี้มาครบใช่ไหมคะ โอเค "
    },
    {
      "message_id": 1883,
      "agent_id": 14,
      "delay": 4.066,
      "onscreen_delay": 3.148,
      "typing_delay": 0.918,
      "typing_duration": 9.599,
      "wpm": 56,
      "message": "ก็นักศึกษาคะ เดี๋ยวการบ้านนี้ทำส่งมา"
    },
    {
      "message_id": 1884,
      "agent_id": 16,
      "delay": 5.597,
      "onscreen_delay": 5.597,
      "typing_delay": 0,
      "typing_duration": 6.857,
      "wpm": 101,
      "message": "แล้วครูจะตรวจให้คะแนนนะคะ เพราะว่าการสอบของเรา"
    },
    {
      "message_id": 1885,
      "agent_id": 29,
      "delay": 2.856,
      "onscreen_delay": 1.262,
      "typing_delay": 1.594,
      "typing_duration": 13.016,
      "wpm": 22,
      "message": "คงจำลำบากนะคะ เพราะ"
    },
    {
      "message_id": 1886,
      "agent_id": 13,
      "delay": 9.015,
      "onscreen_delay": 8.013,
      "typing_delay": 1.002,
      "typing_duration": 7.282,
      "wpm": 43,
      "message": "ครูก็จะเก็บคำแนนจากใบ"
    },
    {
      "message_id": 1887,
      "agent_id": 14,
      "delay": 5.014,
      "onscreen_delay": 4.806,
      "typing_delay": 0.208,
      "typing_duration": 6.85,
      "wpm": 83,
      "message": "หรือการพูดคุยถามตอบในห้องตรงนี้ให้นะคะ "
    },
    {
      "message_id": 1888,
      "agent_id": 16,
      "delay": 2.849,
      "onscreen_delay": 0.999,
      "typing_delay": 1.85,
      "typing_duration": 7.869,
      "wpm": 63,
      "message": "เดี๋ยวการตอบเราจะดูสถานการณ์อีกที "
    },
    {
      "message_id": 1889,
      "agent_id": 29,
      "delay": 3.867,
      "onscreen_delay": 3.544,
      "typing_delay": 0.323,
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