对数,指数比大小(0.2)^2 ,2^(0.2) log2(0.2)前面2个怎么比?log2(0.2)1 2^(0.2)>1错了_数学解答

对数,指数比大小
(0.2)^2 ,2^(0.2) log2(0.2)
前面2个怎么比?log2(0.2)1 2^(0.2)>1
错了..应是(0.2)^2>0 2^(0.2)>1

人气：465 ℃　时间：2020-03-29 02:55:32

解答

log2(0.2)<0
(0.2)^2<1
2^(0.2)>1