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log2 √2 +log9 27 +4∧log4 13的值为
人气:422 ℃ 时间:2020-05-11 14:42:24
解答
log2 √2 +log9 27 +4^log4 13
=log2 2^(1/2) +log(3^2) (3^3) +13
=1/2+3/2+13
=15
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