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

Toán Lớp 4: Làm dùm con bài Tìm x : 1/5×X=1-1/3

Toán Lớp 4: Làm dùm con bài Tìm x :
1/5×X=1-1/3

Comments ( 2 )

  1. $\frac{1}{5}$ x X = 1 – $\frac{1}{3}$
    $\frac{1}{5}$ x X = $\frac{2}{3}$
    x = $\frac{2}{3}$ : $\frac{1}{5}$ 
    x = $\frac{10}{3}$ 
    Vậy x = $\frac{10}{3}$ 
     

  2. $\frac{1}{5}$ × x = 1 – $\frac{1}{3}$ 
    $\frac{1}{5}$ × x = $\frac{3}{3}$ – $\frac{1}{3}$ 
    $\frac{1}{5}$ × x = $\frac{2}{3}$ 
             x = $\frac{2}{3}$ : $\frac{1}{5}$
             x = $\frac{2}{3}$ × 5
             x = $\frac{10}{3}$ 
     

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