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计算(M-3N)³·(3N-M)^5=___
同底数幂的乘法
人气:198 ℃ 时间:2020-06-02 12:19:31
解答
(M-3N)³·(3N-M)^5
=[-(3N-M)³]·(3N-M)^5
=-(3N-M)³·(3N-M)^5
=-(3N-M)^(3+5)
=-(3N-M)^8
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