若xy满足根号2x-3+y³+根号3-2x=-8,则xy等于?
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+根号y=4根号2,则满足条件的正整数xy共有
若x,y满足y=根号2x-3+根号3-2x+6,求xy的平方根?
若实数x,y满足x根号(1-x)=根号(y-2)+根号(x-1),求3x²+xy-y²/x²
若实数x,y满足根号x-2 +(3-y)^2=0,则代数式xy-x的值为
若实数xy满足x≥y≥2,且2x²-xy-8x+2y+9=0,则根号xy的值
若根号-4x^2y^3=2xy根号-y则xy的取值需要满足什么条件
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()
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 x-3*根号(xy)-4y=0,则 [2x+3*根号(xy)-2y]/[3x-根号(xy)+y]=______
已知y=根号x-2+根号2-x+3/4 ,则根号xy =
若x.y都是实数,且满足y=根号x-4 + 根号4-x + 1 ,求3(-xy+2x)-2(3x-y)的值