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4x^4y^4-1/2xy 因式分解
人气:237 ℃ 时间:2019-08-16 19:28:18
解答
4x^4y^4-1/2xy
=1/2xy(8x³y³-1)
=1/2xy[(2xy)³-1]
=1/2xy(2xy-1)(4x²y²+2xy+1)
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