问题描述: (log8 9/log2 3)=? 1个回答 分类:数学 2014-11-10 问题解答: 我来补答 方法一(log8 9/log2 3) =(lg9/lg8)/(lg3/lg2) =(2lg3/3lg2)/(lg3/lg2) =(2/3)*(lg3/lg2)/(lg3/lg2) =2/3方法二(log8 9/log2 3)=log2^3 3^2/log2 3=(2/3)log2 3/log 2 3=2/3logm^a n^b=(b/a)logm n 展开全文阅读