Jump to content
You currently have javascript disabled. Several functions may not work. Please re-enable javascript to access full functionality.
Binh nhất
Binh nhì
$\left\{\begin{matrix} 3\sqrt{4(x^2+x)} + 2\sqrt{2(y^2+y)}&=3(x+y)+2 & \\ 2016\sqrt{y-1}+y^2+2=x+2y& & \end{matrix}\right.$
cick để tiếp tục
0 members, 1 guests, 0 anonymous users