计算:(x+y/x-y)÷(xy+x^2)

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计算:(x+y/x-y)÷(xy+x^2)
x){nuQ]_[yxFEvEMR>~v6D|m]}ZtDFi_\g28;

计算:(x+y/x-y)÷(xy+x^2)
计算:(x+y/x-y)÷(xy+x^2)

计算:(x+y/x-y)÷(xy+x^2)
等于1/X*(X-Y)