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

Toán Lớp 6: 30đ hẳn hoi nhé Tìm số nguyên m và n : `m/2-2/n=1/2`

Toán Lớp 6: 30đ hẳn hoi nhé
Tìm số nguyên m và n :
m/2-2/n=1/2

Comments ( 2 )

  1. $\color{pink}{\text{sakurangoc2007}}$
    $\dfrac{m}{2}$ – $\dfrac{2}{n}$ = $\dfrac{1}{2}$
    ⇔ $\dfrac{2}{n}$ = $\dfrac{m}{2}$ – $\dfrac{1}{2}$
    ⇔ $\dfrac{2}{n}$ = $\dfrac{m – 1}{2}$
    ⇔ n (m -1) = 2 . 2
    ⇔ n (m – 1) = 4
                          Vậy …..

    toan-lop-6-30d-han-hoi-nhe-tim-so-nguyen-m-va-n-m-2-2-n-1-2

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

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