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

Toán Lớp 8: 0,25 – 3 1 phần 3 + 17 phần 12

Toán Lớp 8: 0,25 – 3 1 phần 3 + 17 phần 12

Comments ( 2 )

  1. 0,25 – 3(1)/3 + 17/12
    = 0,25 – 10/3 + 17/12
    = 1/4 – 10/3 + 17/12
    = 3/12 – 40/12 + 17/12
    = -37/12 + 17/12
    = (-20)/12
    = -5/3
    Cho mình xin hay nhất nha bạn
    @Drew McIntyre

  2. $0,25-3\frac{1}{3}+\frac{17}{12}=0,25-\frac{10}{3}+\frac{17}{12}$
    $=\frac{1}{4}-\frac{10}{3}+\frac{17}{2}=\frac{3}{12}-\frac{40}{12}+\frac{17}{12}$
    $=-\frac{20}{12}=-\frac{5}{3}$ 

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

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