题目内容
比较下列各组数中两个值的大小.
(1) loga5.1,loga5.8(a>0,a≠1)
(2) log67,log76;(3) log3π,log20.4.
(1)log67,log76(2)log38,log20.7;
(1)log23.4,log28.5;
(2)log0.31.8,log0.32.7;
(3)loga5.1,loga5.9(a>0,a≠1).