求计算:根号x+根号y-(根号xy+x)乘根号1/x
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求计算:根号x+根号y-(根号xy+x)乘根号1/x
求计算:根号x+根号y-(根号xy+x)乘根号1/x
求计算:根号x+根号y-(根号xy+x)乘根号1/x
根号x+根号y-(根号xy+x)乘根号1/x
=根号x+根号y-根号xy乘根号1/x-x乘根号1/x
=根号x+根号y-根号y-根号x
=0
根号x+根号y-(根号xy+x)-1
求计算:根号x+根号y-(根号xy+x)乘根号1/x
(x根号y-y根号x)除以根号xy,
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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
x根号x+x根号y/xy-y^2)-(x+根号xy+y/x根号x-y根号)y
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如果X>0,Y>0,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-Y)的值.
(根号xy-2×根号y/x+根号x/y)×根号xy(
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