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

Toán Lớp 5: tìm x thỏa mãn 358,1 chia 100 + x nhân 3 = 43,12 chia 5

Toán Lớp 5: tìm x thỏa mãn 358,1 chia 100 + x nhân 3 = 43,12 chia 5

Comments ( 2 )

  1. 358,1 : 100 + x xx 3 = 43,12 : 5
    3,581 + x xx 3 = 8,624
    x xx 3 = 8,624 – 3,581
    x xx 3 = 5,043
    x = 5,043 : 3
    x = 1,681
    => Vậy x = 1,681

  2. 358,1 : 100 + X xx 3 = 43,12 : 5
    358,1 : 100 + X xx 3 = 8,624
    3,581 + X xx 3 = 8,624
    X xx 3 = 8,624 – 3,581
    X xx 3 = 5,043
    X = 5,043 : 3
    X = 1,681
     Vậy X = 1,681
     

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

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