若根号x+y-3+绝对值xy+x+y-2=0,求x/y+y/x
若根号x+y-3+绝对值xy+x+y-2=0,求x/y+y/x
若x,y为实数,且根号x+y+3+x-y-2绝对值=0,则xy=
若:根号x平方-2xy+y平方,+绝对值x+3等于0,求y-2x的算术平方根.
已知实数x、y满足关系式绝对值x+y-7绝对值+根号(xy-6)=0,求代数式(x+2y)/(y-x)的值
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
若根号x^6-4+x-根号y的绝对值=0,求xy的立方根
已知x平方+y平方-2y+1=0,求(根号x+根号y+3)/((根号xy+y)(3根号x+根号y))
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
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
x^2-2xy+y^2-根号3x-根号3y+12=0求x+y的最小值
若2x平方+3xy-2y平方=0,求x+y/x-y