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

Toán Lớp 7: $\dfrac{2}{3}$ `+` $\dfrac{7}{4}$ `:x =` $\dfrac{5}{6}$

Toán Lớp 7: $\dfrac{2}{3}$ + $\dfrac{7}{4}$ 😡 = $\dfrac{5}{6}$

Comments ( 2 )

  1. $\frac{2}{3}$+ $\frac{7}{4}$:x= $\frac{5}{6}$ 
    $\frac{7}{4}$:x=$\frac{5}{6}$ –$\frac{2}{3}$
    $\frac{7}{4}$:x=$\frac{5}{6}$ -$\frac{4}{6}$ 
    $\frac{7}{4}$:x=$\frac{1}{6}$
    x=$\frac{7}{4}$:$\frac{1}{6}$
    x=$\frac{7}{4}$.6
    x=$\frac{21}{2}$
    Xin hay nhất cho nhóm

  2. Giải đáp + Lời giải và giải thích chi tiết !
    2/3+7/4 : x = 5/6
    7/4 : x = 5/6-2/3
    7/4 : x = 5/6-4/6
    7/4 : x = 1/6
    x = 7/4 : 1/6
    x = 7/4. 6
    x = (21)/2
    Vậy x=(21)/2
     

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