

1,[tex]\left\{\begin{matrix} 4x^2+\frac{y}{x}=(10x-\frac{1}{2})\sqrt{x^3-y} & \\ \sqrt{4y-5x^2+1}+4(x^3-y+2)=7x+\sqrt{2x-3} & \end{matrix}\right.[/tex]
2,[tex]\left\{\begin{matrix} (x+y+3)\sqrt{x-y}+2y+4=0 & \\ (x-y)(x^2+4)=y^2+1 & \end{matrix}\right.[/tex]
2,[tex]\left\{\begin{matrix} (x+y+3)\sqrt{x-y}+2y+4=0 & \\ (x-y)(x^2+4)=y^2+1 & \end{matrix}\right.[/tex]