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数学
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计算:2的2m-1次方*16*8的m-1次方+(-4^m)*8^m
人气:369 ℃ 时间:2019-12-06 20:11:51
解答
2的2m-1次方*16*8的m-1次方+(-4^m)*8^m
=2^(2m-1)×2^4×2^(3m-3)-2^2m×2^3m
=2^5m-2^5m
=0
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