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

Toán Lớp 6: Bài 2: Tìm x, biết a) x – 5 = 7 b) x + 9 = -3

Toán Lớp 6: Bài 2: Tìm x, biết
a) x – 5 = 7
b) x + 9 = -3

Comments ( 2 )

  1. a) x-5=7
        X    = 7+5
        X    = 12
    b) x+9=-3
        X     = -3 – 9
        X     = -12
    Vote 5 sao cho mình
     

  2. a) x – 5 = 7
       x        = 7 + 5
       x        = 12.
    b) x + 9 = -3
        x        = (-3) – 9
        x        = -12.
    #Black
     

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

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