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      "message_received": "เดี๋ยวตอนนี้วันนี้เดี๋ยวเราจะคุยเสริม",
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      "message_received": "ถึงนิดหนึ่งนะคะ เกี่ยวกับการประยุกต์ใช้",
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      "message_received": "เรื่องสมการกับ อสมการมาแก้ปัญหานะคะ ",
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      "slices": "เรื่องสมการกับ อสมการมาแก้ปัญหานะคะ |",
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      "message_received": "ซึ่งในครั้งที่แล้วครูจะคุย",
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      "message_received": "เดี๋ยวเอาไว้คุยสัปดาห์หน้านะคะ เดี๋ยววันนี้คุยเรื่องอสมการกันก่อน ",
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      "message_received": "ว่าเป็นอย่างไร เป็นการทบทวนความรู้ เรียนมัธยมปลายมาแล้วน่ะค่ะ ว่า",
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      "message_received": "(นักศึกษาชาย) ได้ยินชัดครับ (อาจารย์ชนัญกาญจน์) โอเค",
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      "message_received": "แป๊บหนึ่งนะคะ ",
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      "message_id": 276,
      "editor_id": 19,
      "message_received": "กำลังจะแชร์ไฟล์ สไลด์",
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      "slices": "กำลังจะแชร์ไฟล์| สไลด์|",
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      "message_received": "ครูกำหนดเป็น PDF ส่งเข้าไปใน LINE กลุ่มแล้วนะคะ ",
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      "message_received": "ตอนนี้จะเปิดแชร์ ",
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      "message_received": "ตอนนี้ก็มีเพื่อน ๆ  ทยอย",
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      "slices": "ตอนนี้ก็มีเพื่อน ๆ ทยอย|",
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      "message_received": "เข้ามานะคะ ",
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      "message_received": "โอเค คราวนี้ก็มาดูว่าอ",
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      "message_received": "สมการเชิงเส้นนะคะ ภาษาอังกฤษเข้าก็ใช้คำว่า ",
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      "message_received": "\"Linear inequal",
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      "message_received": "แล้วแต่ที่มันไม่มี มันไม่เท่ากัน เขาไม่ใช้เครื่องหมายเท่ากับนะคะ ",
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      "message_received": "แต่มีการเปรียบเทียบ จะมีลูกศรมากกว่าหรือน้อยกว่า ไม่ต่ำกว่า ",
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      "message_received": "ไม่เกิน ไม่ถึงแบบนี้นะคะ ",
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      "slices": "ไม่เกิน| ไม่ถึงแบบนี้นะคะ| |",
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      "message_received": "อสมการมาเขียนนะคะ ตอนนี้เราก็... ",
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      "slices": "อสมการมาเขียนนะคะ| ตอนนี้เราก็... |",
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      "message_received": "ยกตัวอย่างเช่น ครูเอา",
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      "message_received": "เกมขึ้นมาอย่างนี้ ไม่รู้ว่า",
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      "slices": "เกมขึ้นมาเกมนี้ ไม่รู้ว่า|",
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      "message_received": "ที่มีภารกิจว่าเรามีที่ดินจำกัด",
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      "message_received": "สิ่งที่เรามีอยู่อย่างจำกัด แต่เราจะวางแผนทำการเกษตรอย่างไร เพื่อให้",
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      "message_received": "ให้มีรายได้มากสุดนะคะ ถ้าเกิดข้อมูลเรามีในอดีต",
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      "message_received": "ให้เก็บข้อมูลที่มีในอดีตนำใส่เป็นรูปตารางข้างล่างนะคะ ",
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      "message_received": "ก็จะสามารถสร้างเงื่อนไขหรือข้อจำกัดที่เกี่ยวกับ",
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      "message_received": "เป้าหมายของเราได้ อย่างเช่นในที่นี้อยู่ 2 ชนิด ก็คือมีถั่วกับพริกนะคะ ",
      "slice_count": 2,
      "slices": "เป้าหมายของเราได้ อย่างเช่นในที่นี้| มีพืชอยู่ 2 ชนิด ก็คือมีถั่วกับพริกนะคะ |",
      "edit_duration": 11.937
    },
    {
      "message_id": 307,
      "editor_id": 19,
      "message_received": "แล้วต้นทุนในการปลูก ถ้าปลูก",
      "slice_count": 2,
      "slices": "แล้วต้นทุนในการปลูก| ถ้าปลูก|",
      "edit_duration": 13.903
    },
    {
      "message_id": 308,
      "editor_id": 19,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0
    },
    {
      "message_id": 309,
      "editor_id": 19,
      "message_received": "แป๊บหนึ่งนะคะ ครูพยายามจะ... ",
      "slice_count": 1,
      "slices": " แป๊บหนึ่งนะคะ ครูพยายามจะ... |",
      "edit_duration": 8.083
    },
    {
      "message_id": 310,
      "editor_id": 19,
      "message_received": "โอเค ",
      "slice_count": 2,
      "slices": "โอเค| |",
      "edit_duration": 2.994
    },
    {
      "message_id": 311,
      "editor_id": 19,
      "message_received": "ตอนนี้ครูกำลังจะ... ",
      "slice_count": 1,
      "slices": "ตอนนี้ครูกำลังจะ... ไป... |",
      "edit_duration": 15.194
    },
    {
      "message_id": 312,
      "editor_id": 19,
      "message_received": "ปัญหาที่เกิดขึ้นในชีวิต",
      "slice_count": 1,
      "slices": "ปัญหาที่เกิดขึ้นในชีวิต|",
      "edit_duration": 7.961
    },
    {
      "message_id": 313,
      "editor_id": 19,
      "message_received": "ของเรานะคะ อย่างเช่น ตอนนี้ยกตัวอย่าง เกษตรกร ",
      "slice_count": 1,
      "slices": "ของเรานะคะ อย่างเช่น ตอนนี้ยกตัวอย่างเช่น เกษตรกร |",
      "edit_duration": 15.341
    },
    {
      "message_id": 314,
      "editor_id": 19,
      "message_received": "เป็นเกษตรกร มีทรัพยากรจำกัด",
      "slice_count": 2,
      "slices": "เป็นเกษตรกร |มีทรัพยากรจำกัด|",
      "edit_duration": 7.22
    },
    {
      "message_id": 315,
      "editor_id": 19,
      "message_received": "นะคะ มีเรื่องของต้นทุน ",
      "slice_count": 2,
      "slices": "นะคะ มีเรื่องของต้นทุน| |",
      "edit_duration": 8.97
    },
    {
      "message_id": 316,
      "editor_id": 19,
      "message_received": "เงินทุนจำกัดแล้วก็",
      "slice_count": 1,
      "slices": "มีเงินทุนจำกัดแล้วก็|",
      "edit_duration": 15.264
    },
    {
      "message_id": 317,
      "editor_id": 19,
      "message_received": "สิ่งที่เกี่ยวข้องกับกระบวนการปลูกอีกอันหนึ่ง ก็คือ",
      "slice_count": 1,
      "slices": "สิ่งที่เกี่ยวข้องกับกระบวนการปลูกอีกอันหนึ่ง ก็คือ|",
      "edit_duration": 6.37
    },
    {
      "message_id": 318,
      "editor_id": 19,
      "message_received": "เวลาที่ใช้นะคะ ",
      "slice_count": 1,
      "slices": "เวลาที่ใช้นะคะ |",
      "edit_duration": 4.154
    },
    {
      "message_id": 319,
      "editor_id": 19,
      "message_received": "ก็คือคนเราทุกคนนี่ ที่เขาบอก",
      "slice_count": 1,
      "slices": "ก็คือคนเราทุกคนนี่ ที่เขาบอก|",
      "edit_duration": 23.655
    },
    {
      "message_id": 320,
      "editor_id": 19,
      "message_received": "อาจจะมีต้นทุนที่แตกต่างกันคือทุนทรัพย์",
      "slice_count": 1,
      "slices": "อาจจะมีต้นทุนที่แตกต่างกันคือกำลังทรัพย์|",
      "edit_duration": 16.463
    },
    {
      "message_id": 321,
      "editor_id": 19,
      "message_received": "ที่เท่าเทียบกันเสมอ ก็คือต้นทุนของเวลานะคะ ",
      "slice_count": 1,
      "slices": "ที่เท่าเทียมกันเสมอ ก็คือต้นทุนของเวลานะคะ |",
      "edit_duration": 11.782
    },
    {
      "message_id": 322,
      "editor_id": 19,
      "message_received": "ก็คือเรามีเวลา 1 วัน มี 24 ชั่วโมงเท่ากัน",
      "slice_count": 1,
      "slices": "ก็คือเรามีเวลา 1 วัน มี 24 ชั่วโมงเท่ากัน|",
      "edit_duration": 12.238
    },
    {
      "message_id": 323,
      "editor_id": 19,
      "message_received": "ใครที่ใช้ทำงานให้คุ้มค่ามากกว่ากันนี่ ต้องตัดสินกันที่ตรงนั้น",
      "slice_count": 3,
      "slices": " |ใครที่ใช้ทำงานให้คุ้มค่ามากกว่ากันนี่| ต้องตัดสินกันที่ตรงนั้น|",
      "edit_duration": 10.002
    },
    {
      "message_id": 324,
      "editor_id": 19,
      "message_received": "นะคะ ดังนั้น เวลาก็เป็นต้นทุนอันที่ 2 น้ำ ปุ๋ย แล้วก็สุดท้ายราคาขายหรือผลตอบแทน ",
      "slice_count": 3,
      "slices": "นะคะ ดังนั้น เวลาก็เป็นต้นทุนอันที่ 2 |น้ำ ปุ๋ย แล้วก็สุดท้ายราคาขายหรือผลตอบแทน| |",
      "edit_duration": 9.212
    },
    {
      "message_id": 325,
      "editor_id": 19,
      "message_received": "แพง คำถามที่เกิดขึ้นก็คือเกษตรกรนี่วางแผนที่จะ",
      "slice_count": 1,
      "slices": "แพง คำถามที่เกิดขึ้นก็คือเกษตรกรนี่วางแผนที่จะ|",
      "edit_duration": 7.902
    },
    {
      "message_id": 326,
      "editor_id": 19,
      "message_received": "ปลูกถั่วกี่แปลง แล้วก็",
      "slice_count": 2,
      "slices": "ปลูกถั่วกี่แปลง| แล้วก็|",
      "edit_duration": 2.437
    },
    {
      "message_id": 327,
      "editor_id": 19,
      "message_received": "ปลูกพริกกี่แปลงเพื่อให้ได้ราคาขาย ",
      "slice_count": 2,
      "slices": "ปลูกพริกกี่แปลงเพื่อให้ได้ราคาขายทั้งหมด| |",
      "edit_duration": 18.228
    },
    {
      "message_id": 328,
      "editor_id": 19,
      "message_received": "หรือมีรายได้ทั้งหมดสูงที่สุด ใครได้เงื่อนไขอยู่ 4 ประการ เงื่อนไขก็มีอยู่ว่าอะไรนะคะ ",
      "slice_count": 2,
      "slices": "หรือมีรายได้ทั้งหมดสูงที่สุด |ภายใต้เงื่อนไขอยู่ 4 ประการ เงื่อนไขก็มีอยู่ว่าอะไรนะคะ |",
      "edit_duration": 9.236
    },
    {
      "message_id": 329,
      "editor_id": 19,
      "message_received": "1. ต้นทุน 2. เวลา 3. น้ำและปุ๋ยมันมีอยู่อย่างจำกัดนะคะ เราจะใช้อย่างไร",
      "slice_count": 2,
      "slices": "1. ต้นทุน 2. เวลา 3. น้ำและปุ๋ยมันมีอยู่อย่างจำกัดนะคะ| เราจะใช้อย่างไร|",
      "edit_duration": 18.691
    },
    {
      "message_id": 330,
      "editor_id": 19,
      "message_received": "ให้มันคุ้มค่าที่สุด เพื่อให้ได้รายได้สูงสุดนะคะ ก็จะเป็นลักษณะการที่ต้องตัดสินใจในเชิง",
      "slice_count": 3,
      "slices": "ให้มันคุ้มค่าที่สุด |เพื่อให้ได้รายได้สูงสุดนะคะ |ก็จะเป็นลักษณะการที่ต้องตัดสินใจในเชิง|",
      "edit_duration": 12.913
    },
    {
      "message_id": 331,
      "editor_id": 19,
      "message_received": "ภายใต้เงื่อนไขที่มีอยู่อย่างจำกัด ใช้... สร้างตัวแบบและแก้ปัญหาได้ ",
      "slice_count": 2,
      "slices": "ภายใต้เงื่อนไขที่มีอยู่อย่างจำกัด| ใช้... สร้างตัวแบบและแก้ปัญหาได้ |",
      "edit_duration": 7.855
    },
    {
      "message_id": 332,
      "editor_id": 19,
      "message_received": "โอเค คราวนี้ก่อนที่เราจะไปสร้าง",
      "slice_count": 1,
      "slices": "โอเค คราวนี้ก่อนที่เราจะไปสร้าง|",
      "edit_duration": 12.589
    },
    {
      "message_id": 333,
      "editor_id": 19,
      "message_received": "ตัวแบบนะคะ มาดูว่าบทนี้ครูก็",
      "slice_count": 2,
      "slices": "ตัวแบบนะคะ| มาดูว่าบทนี้ครูก็|",
      "edit_duration": 9.346
    },
    {
      "message_id": 334,
      "editor_id": 19,
      "message_received": "กำหนดเป้าหมายการเรียนรู้ไว้ 3 ข้อ ",
      "slice_count": 2,
      "slices": "กำหนดเป้าหมายการเรียนรู้ไว้ 3 ข้อ| |",
      "edit_duration": 7.833
    },
    {
      "message_id": 335,
      "editor_id": 19,
      "message_received": "ที่นักศึกษาพอฟังวิชานี้คาบนี้แล้ว อย่างแรกเลยต้อง",
      "slice_count": 1,
      "slices": "ที่นักศึกษาพอฟังวิชานี้คาบนี้แล้ว อย่างแรกเลยต้อง|",
      "edit_duration": 19.214
    },
    {
      "message_id": 336,
      "editor_id": 19,
      "message_received": "สามารถเขียนกราฟอสมการเชิงเส้นได้",
      "slice_count": 1,
      "slices": "สามารถเขียนกราฟอสมการเชิงเส้นได้|",
      "edit_duration": 11.786
    },
    {
      "message_id": 337,
      "editor_id": 19,
      "message_received": "นะคะ เขียนกราฟได้ พอเรา",
      "slice_count": 2,
      "slices": "นะคะ เขียนกราฟได้ |พอเรา|",
      "edit_duration": 9.053
    },
    {
      "message_id": 338,
      "editor_id": 19,
      "message_received": "เขียนกราฟได้แล้ว เขามีโจทย์ปัญหาทางคณิตศาสตร์ที่ต้องใช้อสมการในการแก้ปัญหานี่",
      "slice_count": 1,
      "slices": "เขียนกราฟได้แล้ว เรามีโจทย์ปัญหาทางคณิตศาสตร์ที่ต้องใช้อสมการในการแก้ปัญหานี่|",
      "edit_duration": 10.494
    },
    {
      "message_id": 339,
      "editor_id": 19,
      "message_received": "เราสามารถเขียนตัวแบบได้ ตัวแบบทางคณิตศาสตร์",
      "slice_count": 2,
      "slices": "เราสามารถเขียนตัวแบบได้| ตัวแบบทางคณิตศาสตร์|",
      "edit_duration": 6.354
    },
    {
      "message_id": 340,
      "editor_id": 19,
      "message_received": "สมการหรืออสมการแล้วก็มีตัวแปรที่เกี่ยวข้อง",
      "slice_count": 1,
      "slices": "สมการหรืออสมการแล้วก็มีตัวแปรที่เกี่ยวข้อง|",
      "edit_duration": 10.934
    },
    {
      "message_id": 341,
      "editor_id": 19,
      "message_received": "นะคะ มันจะเป็นระบบปัญหา ดังนั้น มันจะมี",
      "slice_count": 3,
      "slices": "นะคะ| มันจะเป็นระบบปัญหา |ดังนั้น มันจะมี|",
      "edit_duration": 5.778
    },
    {
      "message_id": 342,
      "editor_id": 19,
      "message_received": "สมการหรืออสมการที่เกี่ยวข้อง",
      "slice_count": 1,
      "slices": "สมการหรืออสมการที่เกี่ยวข้อง|",
      "edit_duration": 5.985
    },
    {
      "message_id": 343,
      "editor_id": 19,
      "message_received": "หลาย ๆ เงื่อนไข ก็ต้องมี",
      "slice_count": 2,
      "slices": "หลาย ๆ เงื่อนไข| ก็ต้องมี|",
      "edit_duration": 3.708
    },
    {
      "message_id": 344,
      "editor_id": 19,
      "message_received": "สิ่งที่เราต้องการหรือเป้าหมายของเราเสมอ ",
      "slice_count": 2,
      "slices": "สิ่งที่เราต้องการหรือเป้าหมายของเรากำกับเสมอนะคะ| |",
      "edit_duration": 14.479
    },
    {
      "message_id": 345,
      "editor_id": 19,
      "message_received": "คือข้อที่ 2 ข้อที่ 3 ",
      "slice_count": 2,
      "slices": "อันนี้คือข้อที่ 2| ข้อที่ 3 |",
      "edit_duration": 9.416
    },
    {
      "message_id": 346,
      "editor_id": 19,
      "message_received": "พอเรา... ได้ เราก็สามารถ ",
      "slice_count": 1,
      "slices": "พอเรา... ได้ เราก็สามารถ |",
      "edit_duration": 10.393
    },
    {
      "message_id": 347,
      "editor_id": 19,
      "message_received": "นะคะ หาคำตอบที่เหมาะสมกับระบบปัญหานั้นได้ คำตอบ",
      "slice_count": 2,
      "slices": "นะคะ หาคำตอบที่เหมาะสมกับระบบปัญหานั้นได้ |คำตอบ|",
      "edit_duration": 4.848
    },
    {
      "message_id": 348,
      "editor_id": 19,
      "message_received": "ที่เหมาะสมนี่ ",
      "slice_count": 1,
      "slices": "ที่เหมาะสมนี่ |",
      "edit_duration": 11.536
    },
    {
      "message_id": 349,
      "editor_id": 19,
      "message_received": "อยู่หลากหลายวิธีแต่วิธีพื้นฐานวันนี้",
      "slice_count": 2,
      "slices": "อยู่หลากหลายวิธี |แต่วิธีพื้นฐานวันนี้|",
      "edit_duration": 6.518
    },
    {
      "message_id": 350,
      "editor_id": 19,
      "message_received": "วิธีเก็บเงิน ",
      "slice_count": 2,
      "slices": "วิธีเก็บเงิน| |",
      "edit_duration": 8.313
    },
    {
      "message_id": 351,
      "editor_id": 19,
      "message_received": "โอเค เรามาดูเลย วัตถุ",
      "slice_count": 1,
      "slices": "โอเค เรามาดูเลย วัตถุ|",
      "edit_duration": 11.258
    },
    {
      "message_id": 352,
      "editor_id": 19,
      "message_received": "จุดประสงค์ข้อที่ 1 ",
      "slice_count": 1,
      "slices": "จุดประสงค์ข้อที่ 1 |",
      "edit_duration": 7.288
    },
    {
      "message_id": 353,
      "editor_id": 19,
      "message_received": "ตอนนี้ครูขอทวนคอนเซ็ป",
      "slice_count": 2,
      "slices": "เราจะวาดกราฟอสมการอย่างไร |ตอนนี้ครูขอทวนคอนเซ็ป|",
      "edit_duration": 14.601
    },
    {
      "message_id": 354,
      "editor_id": 19,
      "message_received": "เกี่ยวกับการวาดกราฟก่อน ก็คือถ้าเป็นอสมการ",
      "slice_count": 2,
      "slices": "ต์เกี่ยวกับการวาดกราฟก่อน |ก็คือถ้าเป็นอสมการ|",
      "edit_duration": 16.932
    },
    {
      "message_id": 355,
      "editor_id": 19,
      "message_received": "ตัวแปรเดียวก็คือตัวแปรที่เราไม่ทราบค่านะคะ ",
      "slice_count": 1,
      "slices": "ตัวแปรเดียวก็คือตัวแปรที่เราไม่ทราบค่านะคะ |",
      "edit_duration": 14.143
    },
    {
      "message_id": 356,
      "editor_id": 19,
      "message_received": "มีค่าเป็นอะไร ตอนนี้ถ้าครูสอนแล้ว",
      "slice_count": 1,
      "slices": "มีค่าเป็นอะไร ตอนนี้ถ้าครูสอนแล้ว|",
      "edit_duration": 12.59
    },
    {
      "message_id": 357,
      "editor_id": 19,
      "message_received": "นี่นักเรียนควรใช้เวลาทบทวนบทเรียน",
      "slice_count": 1,
      "slices": "นี่นักเรียนควรใช้เวลาทบทวนบทเรียน|",
      "edit_duration": 8.816
    },
    {
      "message_id": 358,
      "editor_id": 19,
      "message_received": "ไม่ต่ำกว่า 30 นาที ",
      "slice_count": 1,
      "slices": "ไม่ต่ำกว่า 30 นาที |",
      "edit_duration": 6.09
    },
    {
      "message_id": 359,
      "editor_id": 19,
      "message_received": "เราจะเข้าใจดีขึ้น จริงไหมคะ ",
      "slice_count": 1,
      "slices": "เราจะเข้าใจดีขึ้น จริงไหมคะ |",
      "edit_duration": 16.556
    },
    {
      "message_id": 360,
      "editor_id": 19,
      "message_received": "เวลาเรา... อะไรก็แล้วแต่นี่",
      "slice_count": 1,
      "slices": "เวลาเรา... อะไรก็แล้วแต่นี่|",
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      "message_received": "ที่สร้างความทรงจำสมองของเรา",
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      "slices": "ที่สร้างความทรงจำสมองของเรา|",
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    {
      "message_id": 363,
      "editor_id": 19,
      "message_received": "ให้มันเข้าใจเป็นอัตโนมัตินะคะ ",
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      "slices": "ให้มันเข้าใจเป็นอัตโนมัตินะคะ| |",
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    {
      "message_id": 364,
      "editor_id": 19,
      "message_received": "เพราะว่าสมองมนุษย์มีสิ่งมหัศจรรย์นะคะ ",
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      "slices": "เพราะว่าสมองมนุษย์มีสิ่งมหัศจรรย์สิ่งหนึ่งนะคะ |",
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    {
      "message_id": 365,
      "editor_id": 19,
      "message_received": "การลืมมันมีความจำที่สร้างได้ แล้วก็มีการลืมที่",
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      "slices": "เขาเรียกว่าการลืม |มันมีความจำที่สร้างได้| แล้วก็มีการลืมที่|",
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      "editor_id": 19,
      "message_received": "เกิดขึ้นโดยอัตโนมัตินะคะ ",
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      "message_id": 367,
      "editor_id": 19,
      "message_received": "ก็ต้องทบทวน แล้ว",
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      "slices": "ก็ต้องทบทวน แล้ว|",
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    {
      "message_id": 368,
      "editor_id": 19,
      "message_received": "นักเรียนควรจะทบทวนไม่ต่ำกว่า 30 นาที ",
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      "slices": "นักเรียนควรจะทบทวนไม่ต่ำกว่า 30 นาที |",
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    {
      "message_id": 369,
      "editor_id": 19,
      "message_received": "แสดงว่าถ้าครูไปถามนักเรียนแต่ละคนว่าเขาไปทบทวนบทเรียน",
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    {
      "message_id": 370,
      "editor_id": 19,
      "message_received": "กี่นาทีในแต่ละวันนะคะ คำตอบของแต่ละคนก็อาจจะแตกต่างกันไป ",
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      "editor_id": 19,
      "message_received": "ถ้าเรากำหนดชีวิตเป็นค่าตัวแปร ",
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      "slices": "ถ้าเรากำหนดชีวิตเป็นค่าตัวแปร |",
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      "message_id": 372,
      "editor_id": 19,
      "message_received": "ตัวแปรที่มีค่าเปลี่ยนแปลงขึ้นอยู่กับบุคคลที่ตอบ ",
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      "message_id": 373,
      "editor_id": 19,
      "message_received": "มันก็จะมีค่าที่แวรี่ หรือเปลี่ยนไปได้นะคะ ตามเงื่อนไขนี้นะคะ ก็ทำให้",
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      "slices": "มันก็จะมีค่าที่ Vary| หรือเปลี่ยนไปได้นะคะ ตามเงื่อนไขนี้นะคะ ก็ทำให้|",
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      "message_id": 374,
      "editor_id": 19,
      "message_received": "นักเรียนที่มีผลการเรียนดี ถ้าเราวาดกราฟก็จะเกิดดังต่อไปนี้นะคะ ",
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    {
      "message_id": 375,
      "editor_id": 19,
      "message_received": "แป๊บหนึ่งนะคะ ",
      "slice_count": 1,
      "slices": "แป๊บหนึ่งนะคะ |",
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    {
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      "editor_id": 19,
      "message_received": "ครูขออนุญาตแชร์อีกอันหนึ่งนะคะ ",
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      "message_id": 379,
      "editor_id": 19,
      "message_received": "ครูจะแชร์สกีนจาก ",
      "slice_count": 2,
      "slices": "ครูจะแชร์สกรีนจาก iPad นะคะ| |",
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      "message_id": 380,
      "editor_id": 19,
      "message_received": "อาจจะต้องใช้ปากกาแล้ว นักศึกษารอสักครู่นะคะ ",
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      "slices": "อาจจะต้องใช้ปากกาแล้ว นักศึกษารอสักครู่นะคะ |",
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      "message_id": 383,
      "editor_id": 19,
      "message_received": "เดี๋ยวนะคะ อันนี้ไม่ทราบว่ามองเห็น",
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      "slices": "เดี๋ยวนะคะ อันนี้ไม่ทราบว่ามองเห็น|",
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    {
      "message_id": 384,
      "editor_id": 19,
      "message_received": "ที่แชร์ไหมคะ (พี่อี๊ด) ฝั่งล่ามยังไม่เห็นนะคะอาจารย์ (อาจารย์ชนัญกาญจน์) ",
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      "message_received": "แป๊บหนึ่งนะคะ ",
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      "slices": "แป๊บหนึ่งนะคะ| |",
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      "editor_id": 19,
      "message_received": "เดี๋ยวนะคะ แป๊บหนึ่งค่ะ ",
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      "slices": "เดี๋ยวนะคะ แป๊บหนึ่งค่ะ |",
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