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

Toán Lớp 6: 10-(x-3):2=7 mũ 2 -1 mũ 10 Làm ơn hãy giúp mik

Toán Lớp 6: 10-(x-3):2=7 mũ 2 -1 mũ 10
Làm ơn hãy giúp mik

Comments ( 2 )

  1. Đáp   án  : -73
    Giải   thích   các   bước   giải:
    10 – ( x – 3) : 2 = 7^2 – 1^10
    10 – ( x – 3) : 2 = 49 – 1
    ( x – 3) : 2 =  10 – 48
    ( x – 3) : 2  = – 38
    ( x – 3) = – 38. 2
    x – 3 = – 76
    x – 3 = – 76 + 3
    x =  – 73
    x = – 73
     

  2. 10-(x-3):2=7^2-1^10
    10-(x-3):2=49-1
    10-(x-3):2=48
    (x-3):2=58
    x-3=58*2
    x-3=116
    x=116+3
    x=119

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