计算:(1)log2 (4^3*8^5);(2)log2 3+log2 6-log2 9

发布时间:2021-03-16 06:51:59

计算:(1)log2 (4^3*8^5);(2)log2 3+log2 6-log2 9

网友回答

log2 (4^3*8^5)
=log2(2^(6+15))=21
(2)log2 3+log2 6-log2 9
=log2(3*6/9)=log2(2)=1
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