$\left\{\begin{matrix}x+y-\sqrt{xy}=3\\ \sqrt{x+1}+\sqrt{y+1}=4\end{matrix}\right.$
Edited by LzuTao, 17-06-2015 - 23:41.
Giải hệ: $\left\{\begin{matrix}x+y-\sqrt{xy}=3\\ \sqrt{x+1}+\sqrt{y+1}=4\end{matrix}\right.$
Started By LzuTao, 17-06-2015 - 23:04
1 user(s) are reading this topic
0 members, 1 guests, 0 anonymous users
