Hệ phương trình
\left\{ \begin{array}{l} x\\ y \end{array} \right.2(
(x^{3}+ y^{3}
))\div xy - 3(
(x^{2}+ y^{2}
))\div \sqrt{xy} + 5(x+y)= 8\sqrt{xy}\left\{ \begin{array}{l} x\\ y \end{array} \right. \sqrt{5x-1} + \sqrt{2-y}= (
(5x+y
)) \div 2
Hệ phương trình
\left\{ \begin{array}{l} x\\ y \end{array} \right.2(x^{3}+ y^{3})\div xy - 3(x^{2}+ y^{2})\div \sqrt{xy} + 5(x+y)= 8\
div sqrt{xy}\left\{ \begin{array}{l} x\\ y \end{array} \right. \sqrt{5x-1} + \sqrt{2-y}= (5x+y) \div 2