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Nhiipham9
2 năm trước
Cho P = $\frac{√x +2}{2√x +1}$ đk: ; x ≥0; x khác 1/2 TÌM X BT |P| ≥ P CỨU MIK VỚI MIK ĐANG CẦN NỘP LUN RÒI
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