问题描述: log以根号2为底的2的对数+ log927 +1/4log41/16= log2根号下7/48+log12-1/2log242-1= 1个回答 分类:数学 2014-10-30 问题解答: 我来补答 log以根号2为底的2的对数+ log9 27 +1/4log4 1/16=1+3/2+1/4×(-2)=2又1/2-1/2=2 log2根号下7/48+log2 12-1/2log2 42-1=1/2log2 7-1/2log2 3-2+log2 3+2-1/2log2 7-1/2log2 3-1-1=-2 展开全文阅读