``(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-2倍根号xy+y)(根号x +根号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
①{(x+y)/(根号x+根号y)}+{2xy/根号xy(根号x+根号y)}
{(x-y)/(根号x+根号y)}-(x+y-2倍根号xy)/(根号x-根号y)=?
跟号打不出来,所以用汉字,大家费点劲哈 ((根号x/根号x+根号y)-(根号y/根号y-根号x)-(2根号xy/x-y)
根号xy 除以 2倍根号x分之y^2
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
(x+2根号xy+y)÷(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
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
化简(y根号x+x根号y)/(xy-y²)-(x+根号xy+y)/(x根号x-y根号y).