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(2x²)³-3x四次方(x²-x)
人气:400 ℃ 时间:2019-10-24 04:57:26
解答
(2x²)³-3x四次方(x²-x)
=8(x^6)-3(x^6)+3(x^5)
=5(x^6)+3(x^5)
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