1.1^lg1+3倍根号64-0.5^-2+lg25+2lg2
问题描述:
1.1^lg1+3倍根号64-0.5^-2+lg25+2lg2
答
=23
log1=0
1.1^log1=1
3倍根号64=24
0.5^-2=4
log25+2log2=log25+log4=log(25*4)=log100=2
=1+24-4+2