(x根号y-y根号x)除以根号xy,
化简:(x-y)除以(根号x+根号y)-(x-2根号xy+y)除以(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-4根号xy+4y)除以(根号x-2根号y)+(2根号xy+x)乘以根号x分之一
根号xy 除以 2倍根号x分之y^2
①{(x+y)/(根号x+根号y)}+{2xy/根号xy(根号x+根号y)}
(x+2根号xy+y)除以(根号x+根号y)把它根式有理化
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).
化简:[(x×根号x+x×根号y)/(xy-y²)]-[(x+根号下xy+y)/(x×根号x-y×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)
问你一道8年级数学题:根号XY-XY/X+根号XY)除以 根号XY-Y/X-Y ? 要全过程.详细点.谢谢!
计算 (xy-y2分之x根号x+x根号y)-(x根号x-y根号y分之x+根号xy+y)
5x根号xy除以3根号x分之y乘以3分之1根号y分之x(x>0)