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
问题描述:
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
答
log2(0.2)(0.2)^22^(0.2)>1