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(2x^2)^3-6x^3(x^3+2x^2+x)
人气:458 ℃ 时间:2020-04-13 03:38:29
解答
(2x^2)^3-6x^3(x^3+2x^2+x)
=8x^6-6x^6-12x^5-6x^4
=2x^6-12x^5-6x^4
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