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因式分解:x3-y3-x2y+xy2
人气:253 ℃ 时间:2020-02-20 18:58:52
解答
x3-y3-x2y+xy2 =(x-y)(x2+xy+y2)-xy(x-y)=(x-y)(x2+xy+y2-xy)=(x-y)(x2+y2)
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