{(1-log6 3)^2+log6 2*log6 18}/log6 4 等于多少,请写出就算过程,

问题描述:

{(1-log6 3)^2+log6 2*log6 18}/log6 4 等于多少,请写出就算过程,
1个回答 分类:数学 2014-10-27

问题解答:

我来补答
{(1-log6 3)^2+log6 2*log6 18}/log6 4
=(log6 6-log6 3)^2+log6 2*log6 18/log6 4
=(log6 6/3)^2+log6 2*log6 18/log6 4
=(log6 2)^2+log6 2*log6 18/log6 4
= log6 2(log6 2+log6 18)/log6 4
=log6 2*log6 36/log6 4
=2log6 2/log6 4
=1
 
 
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