M
miko_tinhnghich_dangyeu


[tex]\left\{ \begin{array}{l} x+y +\sqrt[]{x^2-y^2}=12 \\ y\sqrt[]{x^2-y^2}=12 \end{array} \right.[/tex]
[tex]\left\{ \begin{array}{l} x\sqrt{y} +2y\sqrt{x}=3x\sqrt{2x-1}\\ y\sqrt{x}+2x\sqrt{y}=3y\sqrt{2y-1} \end{array} \right.[/tex]
[tex]\left\{ \begin{array}{l} x\sqrt{y} +2y\sqrt{x}=3x\sqrt{2x-1}\\ y\sqrt{x}+2x\sqrt{y}=3y\sqrt{2y-1} \end{array} \right.[/tex]