计算:㏒2ˆ5-2㏒4ˆ10

问题描述:

计算:㏒2ˆ5-2㏒4ˆ10

原式=lon2^5-log2^(2*5)=long2^5-log2^2-log2^5=-1

哪个是底数···

=5log2-20log4
=5log2-40log2
=-35log2