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!
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!
x根号x+x根号y/xy-y^2)-(x+根号xy+y/x根号x-y根号)y
根号xy 除以 2倍根号x分之y^2
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)
①{(x+y)/(根号x+根号y)}+{2xy/根号xy(根号x+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
根号下3xy除以根号下3x分之y 详细过程
先化简,在求值:(x+根号xy)/(y+根号xy)+((根号xy)-y)/(x-根号xy),其中x=根号3+1,y=根号
(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).
已知 X大于0,Y大于0,且X-根号XY-2Y=0,求2X-根号XY除以Y+2根号XY的值
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)]