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计算(-2a^2)^3-6a^2×a^4
人气:299 ℃ 时间:2020-01-27 09:12:22
解答
(-2a^2)^3-6a^2×a^4
=(4a²)^3 - 6a^6
=4^3 *a^6 -6a^6
=64a^6 -6 a^6
=58 a^6
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