约分:2x²y-2xy²/x²-2xy+y²

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约分:2x²y-2xy²/x²-2xy+y²约分:2x²y-2xy²/x²-2xy+y²约分:2x²y-2xy

约分:2x²y-2xy²/x²-2xy+y²
约分:2x²y-2xy²/x²-2xy+y²

约分:2x²y-2xy²/x²-2xy+y²
2xy(x-y)/(x-y)