化简求值:(X×根号X+X×根号y)÷(XY-Y²)-(X+根号XY+Y)÷X×根号X-Y×根号Y,其中X=1
1个回答
(x√x+x√y)÷(xy-y²)-(x+√xy+y)÷x×√x-y×√y
=(1+2)÷(4-16)-(1+2+4)-4×2
=-15又1/4
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