已知x>0,y>0,(根号x)×(根号x+2倍根号y)=(根号y)×(6倍根号x+5倍根号y),求 x+根号xy-y
已知x>0,y>0,(根号x)×(根号x+2倍根号y)=(根号y)×(6倍根号x+5倍根号y),求 x+根号xy-y
解数学根号题x>0,y>0, 且根号x(根号x + 根号y )=3倍根号x(根号x +5倍根号y )时,求 2x+根号x
根号X(根号X-根号Y)=3根号Y(5根号Y-根号X),求(2X-根号XY+3Y)/X+根号XY-6Y
``(x-2倍根号xy+y)(根号x +根号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
{(x-y)/(根号x+根号y)}-(x+y-2倍根号xy)/(根号x-根号y)=?
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))
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
已知“根号下xy+根号y-2倍的根号x-2=0”求x,y
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
已知,x=484,y=2.56,求x+y-2倍根号xy、根号x-根号y
已知三次根号x+三次根号y=-7,求(三次根号-1)+4倍(三次根号-x)+4倍三次根号-y的值