log(5)35+2log(1/2)根号2-log（5）1/50-log(5)14 括号里的为log的底数_数学解答

log(5)35+2log(1/2)根号2-log（5）1/50-log(5)14
括号里的为log的底数

人气：277 ℃　时间：2020-05-04 05:17:47

解答

log(5)35+2log(1/2)根号2-log（5）1/50-log(5)14
=log(5)35+log(1/2)2-log（5）1/50-log(5)14
=log(5)[35/(1/50)*14]+log(1/2)2
=log(5)125+log(1/2)2
=3-1
=2