约分:(1)2x^2y-2xy^2/x^2-2xy+y^2 (2)25-x^2/x^2-10x+25
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约分:(1)2x^2y-2xy^2/x^2-2xy+y^2 (2)25-x^2/x^2-10x+25
约分:(1)2x^2y-2xy^2/x^2-2xy+y^2 (2)25-x^2/x^2-10x+25
约分:(1)2x^2y-2xy^2/x^2-2xy+y^2 (2)25-x^2/x^2-10x+25
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