4xy^2—4x^2y^3
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4xy^2—4x^2y^34xy^2—4x^2y^34xy^2—4x^2y^34xy^2—4x^2y^3=4xy²(1-xy)请采纳如果你认可我的回答,敬请及时采纳,~如果你认可我的回答,请
4xy^2—4x^2y^3
4xy^2—4x^2y^3
4xy^2—4x^2y^3
4xy^2—4x^2y^3
=4xy²(1-xy)
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4xy^2—4x^2y^3
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