T
thao_dohoi
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
1,[TEX]2\sqrt[]{(2-x)(5-x)}=x+\sqrt[]{(2-x)(10-x)}[/TEX]
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2,[TEX]2x^2 -11x + 21- 3\sqrt[3]{4x-4}[/TEX]
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2,[TEX]2x^2 -11x + 21- 3\sqrt[3]{4x-4}[/TEX]
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