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

Toán Lớp 3: x-25=103-16 x+45=56=12 ạc giúp e ạ

Toán Lớp 3: x-25=103-16
x+45=56=12
ạc giúp e ạ

Comments ( 2 )

  1. a)x-25 = 103 – 16
    x- 25 = 87
    x = 87 + 25
    x = 112
    b) x+45 = 56 + 12
    x+45 = 68
    x = 68 – 45
    x=23

  2. a,x-25=103-16
    => x-25=87
    => x=87+25
    => x=112
    b, x+45=56+12
    => x+45=68
    => x=23
    text{Học tốt}
     

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