化简 1:根号(x-y)^2(x+y^2)(y>x) 2:根号2x^2/1-2x+x^2 (x>1)化简 1:(x-y)^2(x+y^2)(y>x) 2:根号2x^2/1-2x+x^2 (x>1)

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化简 1:根号(x-y)^2(x+y^2)(y>x) 2:根号2x^2/1-2x+x^2 (x>1)化简 1:(x-y)^2(x+y^2)(y>x) 2:根号2x^2/1-2x+x^2 (x>1)
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化简 1:根号(x-y)^2(x+y^2)(y>x) 2:根号2x^2/1-2x+x^2 (x>1)化简 1:(x-y)^2(x+y^2)(y>x) 2:根号2x^2/1-2x+x^2 (x>1)
化简 1:根号(x-y)^2(x+y^2)(y>x) 2:根号2x^2/1-2x+x^2 (x>1)
化简 1:(x-y)^2(x+y^2)(y>x) 2:根号2x^2/1-2x+x^2 (x>1)

化简 1:根号(x-y)^2(x+y^2)(y>x) 2:根号2x^2/1-2x+x^2 (x>1)化简 1:(x-y)^2(x+y^2)(y>x) 2:根号2x^2/1-2x+x^2 (x>1)

x根号x+x根号y/xy-y^2)-(x+根号xy+y/x根号x-y根号)y 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:((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) 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) 已知根号x=根号2-1/根号2,根号y=根号3-1/根号3,求代数式【(x+y)/(根号x-根号y)】-求代数式【(x+y)/(根号x-根号y)】-2xy/(x根号y-y根号x)已知根号x=根号2-(1/根号2),根号y=根号3-(1/根号3),求代数 化简:(根号xy)-(根号x/y)+(根号y/x)+(根号x/y+y/x+2)(x、y>0) 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) 化简:y=根号 x+2根号x-1+根号 x-2根号x-1 (根号x+根号y-1)(1-根号y+根号x),其中x=3根号2, 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)) {化简} [x+y/(根号x+根号y)]+[2xy/x·根号y+y·根号x] 化简x十Y/根号x十根号y十2Xy/x根号y十y根号x (根号x-根号y)分之(x+y)-(x根号y-y根号x)分之(2xy) 计算:(2/3x根号下9x+6x根号下y/x)+(y根号下x/y-x的平方根号下1/x)= 计算:(2/3x根号下9x+6x根号下y/x)+(y根号下x/y-x的平方根号下1/x)= 【(x-y)^3(x^1/2+y^1/2)^-3+3(x根号y-y根号x)】/(x根号x+y根号y)+(2xy根号xy-xy^3)/(x^3-y^3)【(x-y)^3(x^1/2+y^1/2)^-3+3(x根号y-y根号x)】/(x根号x+y根号y) + (2xy根号xy-xy^3)/(x^3-y^3)这下应该看懂了吧?拜托好心 x+y/根号X-根号Y-2XY/X乘根号Y-Y乘根号X