若x>0,y＞0,且x-(√xy)-2y=0,求x/y的值

若x>0,y＞0,且x-(√xy)-2y=0,求x/y的值 若x＞0,y＞0,且√x(√x+√y)=3√y（√x+5√y）,求（2x+2√xy+3y）/（x-√xy+y）的值. 已知x*x-4xy+4y*y=0 求[2x(x+y)-y(x+y)]/(4x*x-4xy+y*y)的值? 已知x^2-xy+3y^2=0 且xy不等于0 求x/y+y/x 的值 已知xy≠0,且2x+3xy-2y=0,求(x+y)/(x-y)的值. 若xy-z不等于0,且(y+x)/x=(z+x)/y=(y+x)/z,求[(y+z)(z+x)(x+y)]/xyz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 当x>0,y>0且√x(√x+√y)=3√y(√x+5√y),求2x+(√xy)+3y/x+(√xy)-y的值 已知5x-4y=0且xy不等于0,求x^2+y^2/x^2-y^2-x+y/x-y的值 若x+y-5xy=0,求(2x-3xy+2y)/(x+2xy+y)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-根号下xy-2y=0,求【2x-根号下xy】÷【y+2根号下xy】的值