Toán Lớp 7: $\text{Tìm x:}$
$\dfrac{x – 3}{x + 5}$ = $\dfrac{5}{7}$
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Toán Lớp 7: $\text{Tìm x:}$
$\dfrac{x – 3}{x + 5}$ = $\dfrac{5}{7}$
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