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-Y)分之(2X+根号XY+3Y)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
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-Y)分之(2X+根号XY+3Y)的值
已知根号x+根号y=根号5,根号xy=根号15-根号3,求x+y的值
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
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
化简:((根号x-根号y)^3+2x根号x+y根号y)/(x根号x+y根号y)+(3根号xy-3y)/(x-y)
设根号x(根号x-根号Y)=根号xY+3Y,求2x+3根号xY/3X-Y的值
已知:根号X+根号Y=根号5+根号3,根号XY=根号15—根号3,求X+Y的值
已知x,y为正数,且根号x(根号x+根号y)=3根号y(根号x+5根号y),求:(2x+根号xy+3y)/(x+根号xy
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-
3根号xy分之2根号x的平方y
x根号x+x根号y/xy-y^2)-(x+根号xy+y/x根号x-y根号)y