Toán Lớp 8: Rút gọn $\frac{6x²}{5xy+10y}$ + $\frac{12xy}{5xy+10y}$
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Toán Lớp 8: Rút gọn $\frac{6x²}{5xy+10y}$ + $\frac{12xy}{5xy+10y}$
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$= \dfrac{6x(x + 2y)}{5y(x + 2)}$