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计算题:(x^3m)^3(x^3)^3m(x^3)^m
人气:497 ℃ 时间:2020-04-04 09:34:07
解答
(x^3m)^3(x^3)^3m(x^3)^m
=x^(9m)*x^(9m)*x^(3m)
=x^(9m+9m+3m)
=x^(21m)
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