Toán Lớp 8: Tính x :
$\frac{x – a}{bc}$ + $\frac{x – b}{ac}$ + $\frac{x – c}{ab}$ = 2 . ( $\frac{1}{a}$+ $\frac{1}{b}$ + $\frac{1}{c}$ )
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Toán Lớp 8: Tính x :
$\frac{x – a}{bc}$ + $\frac{x – b}{ac}$ + $\frac{x – c}{ab}$ = 2 . ( $\frac{1}{a}$+ $\frac{1}{b}$ + $\frac{1}{c}$ )
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