若X2+Y+2x-4根号y+5=0,求根号xy
若X2+Y+2x-4根号y+5=0,求根号xy
已知4x2+9y-4x-6y+2=0 求根号y/根号x+根号y - 根号y/根号x-根号y
若根号x-2+根号x+y-4=0,求xy+5的算术平方根.
已知x>0,y>0,x+根号xy-6y=0,求4x+5根号xy-6y分之x+2根号xy
设x>0,y>0,且根号x(根号x+根号y)=3根号y(根号x+5根号y),求代数式2x+根号xy+2y\x-根号xy-
若x>o,y>o,且根号x(根号x+根号y)=3根号y(根号x+5根号y)求x+根号xy分之2x-根号xy-5y
若x的平方+Y+2X-4倍根号Y+5=0求根号下-XY的值
已知x>0,y>0,且x+6y=5根号xy,求(2x+根号xy-y)分之(x+根号xy+2y)的值
x-4根号(xy)-5y=0(根号x - 5根号y)(根号x+ 根号y)=0为什么
若X>0,y>0,且x-根号下xy-2y=0,求(2x-根号下xy)/y+2根号下xy的值
若x>0,y>0,且x-根号下xy-2y=0,求【2x-根号下xy】÷【y+2根号下xy】的值
若x>0,y>0,且x-根号xy-2y=0,求y+2倍根号xy分之2x-根号xy的值