若x>0,y>0,且x-根号下xy-2y=0,则x除以y的值是( )
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
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>0,y>0且x-2根号下xy-15y=0,则2x+根号下xy+3y除以x+根号下xy-y=?
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.
求细细讲解1.2.已知x>0,y>0且x-2根号下xy-15y=0,则2x+根号下xy+3y除以x+根号下x
若实数x,y满足根号下(x+2)加根号下(y-根号下3)的平方=0,则xy的值是()
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
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
若实数x,y满足根号下x+2+(y-根号下3)平方=0,则xy的值是?
1.若x分之1-y分之1=2,则求x-xy-y分之3x+xy-3y=0的值.2.设x,y为实数,且x-y=3.求x乘根号
设x>0,y>0,且xy=4,则y/根号x+x/根号y取最小值时x的值是