log(5)35+2log(1/2)根号2-log(5)1/50-log(5)14

问题描述:

log(5)35+2log(1/2)根号2-log(5)1/50-log(5)14
括号里的为log的底数
1个回答 分类:数学 2014-11-22

问题解答:

我来补答
log(5)35+2log(1/2)根号2-log(5)1/50-log(5)14
=log(5)35+log(1/2)2-log(5)1/50-log(5)14
=log(5)[35/(1/50)*14]+log(1/2)2
=log(5)125+log(1/2)2
=3-1
=2
 
 
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