已知X-2根号XY+Y=0(X>0,Y>0),则2X-根号XY+Y除以5X+3根号XY-4Y的值为
已知X-2根号XY+Y=0(X>0,Y>0),则2X-根号XY+Y除以5X+3根号XY-4Y的值为
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
已知 X大于0,Y大于0,且X-根号XY-2Y=0,求2X-根号XY除以Y+2根号XY的值
已知X—根号3XY-4Y=0,求(2X+3根号XY-2Y)/(3X-根号XY+Y)的值
已知 x-3*根号(xy)-4y=0,则 [2x+3*根号(xy)-2y]/[3x-根号(xy)+y]=______
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
已知正实数x y满足x-根号xy-2y=0求 x+3根号xy+2y/2x-2根号下xy-y
已知x>0,y>0,且x-根号xy-6y=0,求x+2根号xy+3y/4x-5根号xy-6y的值
已知x>0,y>0,且x-4倍根号xy-5y=0.求代数式2x+根号xy+3y分之x+根号xy-y的值
已知2x-3*根号(xy)-2y=0(x>0),则x2+4xy-16y2除以2x2+xy-9y2的值是多少?
已知根号x(根号x-根号y)=根号xy+3y,求(3x-y)分之2x+3倍根号xy-y 的值
已知y=根号1-x+根号x-1+3,求根号x+根号y分之x+2根号xy+y+根号x-根号y分之一的值