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phanhungthinh555
2 năm trước
Cho biểu thức: M= ( $\frac{4x}{\sqrt{x}-1}$ - $\frac{\sqrt{x} -2}{x - 3\sqrt{x} +2}$ ) . $\frac{\sqrt{x}-1}{x^2}$ ( x>0, x khác 1, x khác 4) Tìm x để M<4
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