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![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
[tex]25^{\frac{1}{x}}+3.10^{\frac{1}{x}}=2.9^{\frac{1}{x}}{[/tex]
ai giai dc bai nay koioooo
..................................... hhep me
ai giai dc bai nay koioooo
..................................... hhep me
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