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nhocxomkeo
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
$\left( \begin{array}{l}
{\log _2}x + 3\sqrt {5 - {{\log }_3}y} = 5 \\
3\sqrt {{{\log }_2}x - 1} - {\log _3}y = - 1 \\
\end{array} \right.$
{\log _2}x + 3\sqrt {5 - {{\log }_3}y} = 5 \\
3\sqrt {{{\log }_2}x - 1} - {\log _3}y = - 1 \\
\end{array} \right.$