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truonglinhthaole
2 năm trước
rút gọn cái này giúp em nhé 22. $\frac{O'Y - 2O'A}{AB- 2O'A}$ = 4O'Y +8.75 $\frac{O'Y.2(AB-O'A)}{AB-2O'A}$ - 5 $\frac{O'Y(3AB - 4O'A)}{(AB-2O'A)2}$
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