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a^m=2,a^n=9 ap=3 求a(^m-2n+3P)
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人气:153 ℃ 时间:2020-05-11 08:50:23
解答
a^(m-2n+3p)
=a^m÷a^2n×a^3p
=a^m÷(a^n)^2×(a^p)^3
=2÷9^2×3^3
=2/3
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