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)]
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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)]化简:[(x×根号x+x×根号y)/(xy-y²)]-[(x+根号下xy
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)]
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)]
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)]
[(x×根号x+x×根号y)/(xy-y²)]-[(x+根号下xy+y)/(x×根号x-y×根号y)]
=(x√x+x√y)/(xy-y^2)-[x+√(xy)+y]/(x√x-y√y)
=[x(√x+√y)/[y(√x-√y)(√x+√y)]-[x+√(xy)+y]/{(√x-√y)[x+√(xy)+y]}
=x/[y(√x-√y)]-1/(√x-√y)
=(x-y)/[y(√x-√y)]
=(√x-√y)(√x+√y)/[y(√x-√y)]
=(√x+√y)/y
化简:(根号X/Y)+(根号y/x)
化简(x-y)/(根号x+根号y)
化简x/(根号x+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
关于二次根式的!(根号x+根号y分之根号x + 根号y-根号x分之根号y - x-y分之二倍的根号xy)除以(根号x分之一 - 根号y分之一)*(根号x+根号y)化简!
化简:(根号x+根号y)分之(x+y) +【根号xy乘以(根号x+根号y)】 分之2xy还有一题:根号(xy) -根号(x/y)+根号(y/x)+根号(x/y+y/x+2)
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)]
(x根号y-y根号x)除以根号xy,
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)
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=2y,化简:根号y/根号x -根号y -根号y/根号x +根号y
已知x =2y 化简(根号y/根号x -根号y )-(根号y/根号x +根号y)
化简:y=根号 x+2根号x-1+根号 x-2根号x-1
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-y根号y除以x+根号xy+y(x根号x-y根号y)除以(x+根号xy+y)
化简:(根号xy)-(根号x/y)+(根号y/x)+(根号x/y+y/x+2)(x、y>0)
y=根号【x+根号(x+根号x)】求导
根号x+根号y分之x-y化简