(x²-y²/xy)÷(x+y)· (x/x-y)³【化简】

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(x²-y²/xy)÷(x+y)·(x/x-y)³【化简】(x²-y²/xy)÷(x+y)·(x/x-y)³【化简】(x²-y&#

(x²-y²/xy)÷(x+y)· (x/x-y)³【化简】
(x²-y²/xy)÷(x+y)· (x/x-y)³【化简】

(x²-y²/xy)÷(x+y)· (x/x-y)³【化简】
x^2/(y(x-y)^2)