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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 3: 1. x + 80 = 100 2.x- 100 = 200

Toán Lớp 3: 1. x + 80 = 100
2.x- 100 = 200

Comments ( 2 )

  1. a)
    x + 80 = 100
    x = 100 – 80
    x = 20
    b)
    x- 100 = 200
    x = 200 + 100
    x = 300

  2. 1. x + 80 = 100
        x = 100- 80
        x= 20
    2. x – 100 = 200
        x= 200 + 100
        x = 300
    $# mun$
    Xin hay nhất cho nhóm ạ.
     

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222-9+11+12:2*14+14 = ? ( )

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