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

Toán Lớp 6: (X÷8-42)-18=12 Giúp mik ik ạ????

Toán Lớp 6: (X÷8-42)-18=12
Giúp mik ik ạ????

Comments ( 2 )

  1. (x:8-42)-18=12
    x:8-42=12+18
    x:8-42=30
    x:8=30+42
    x:8=72
    x=72xx8
    x=576
    Vậy x=576

  2. (x : 8 – 42) – 18 = 12
    x : 8 – 42 = 12 + 18
    x : 8 – 42 = 30
    x : 8 = 30 + 42
    x : 8 = 72
    x = 72 × 8
    x = 576
    <=> Vậy x = 576

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