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

Toán Lớp 5: X : $\frac{5}{9}$ + $\frac{1}{5}$ = 2

Toán Lớp 5: X : $\frac{5}{9}$ + $\frac{1}{5}$ = 2

Comments ( 2 )

  1. x : 5/9 +1/5 =2
    => x : 5/9 =2 -1/5
    => x  . 9/5 = 10/5 -1/5
    => x . 9/5 = 9/5
    => x = 9/5 : 9/5
    => x =1
    Vậy x =1

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