计算:㏒2ˆ5-2㏒4ˆ10
问题描述:
计算:㏒2ˆ5-2㏒4ˆ10
答
原式=lon2^5-log2^(2*5)=long2^5-log2^2-log2^5=-1
答
哪个是底数···
答
=5log2-20log4
=5log2-40log2
=-35log2