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

Toán Lớp 5: a) x + 21,8 = 3,26 x 18 b) 6312,7 – x = 0,87 x 65

Toán Lớp 5: a) x + 21,8 = 3,26 x 18 b) 6312,7 – x = 0,87 x 65

Comments ( 2 )

  1. a,x+21,8=3,26 xx 18
    x+21,8=58,68
    x=58,68-21,8
    x=36,88
    b,6312,7-x=0,87 xx 65
    6312,7-x=56,55
    x=6312,7-56,55
    x=6256,15

  2. Answer
    a, x + 21,8 = 3,26 xx 18
    x + 21,8 = 58,68
    x = 58,68 – 21,8
    x = 36,88
    $\text{Vậy}$ x = 36,88
    __________________
    b, 6312,7 – x = 0,87 xx 65
    6312,7 – x = 56,55
    x = 6312,7 – 56,55
    x = 6256,15
    $\text{Vậy}$ x = 6256,15
     

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

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