M
meocon_113


1/[tex]\left\{ \begin{array}{l} \sqrt{x+y}+\sqrt{x-y}=2\sqrt{y} \\ \sqrt{x}+\sqrt{5y}=3\end{array} \right.[/tex]
2/[tex]\left\{ \begin{array}{l} x-2y-\sqrt{xy}=0 \\ \sqrt{x-1}-\sqrt{2y-1}=1 \end{array} \right.[/tex]
3/[tex]\left\{ \begin{array}{l} \frac{x}{x^2-y}+\frac{5y}{x+y^2}=4 \\ 5x+y+\frac{x^2-5y^2}{xy}=5\end{array} \right.[/tex]
2/[tex]\left\{ \begin{array}{l} x-2y-\sqrt{xy}=0 \\ \sqrt{x-1}-\sqrt{2y-1}=1 \end{array} \right.[/tex]
3/[tex]\left\{ \begin{array}{l} \frac{x}{x^2-y}+\frac{5y}{x+y^2}=4 \\ 5x+y+\frac{x^2-5y^2}{xy}=5\end{array} \right.[/tex]