题目内容
解析:∵3+2= (+1),而(-1)(+1) = 1,即+1= (-1),
∴log(3+2) =log(-1)=-2.
利用对数函数的单调性比较下列各组数的大小.
(1)logπ3,logπ3.1
(2)0.2,log40.3
(3)log0.43,log0.33
计算log(3+2).
log(3+2) = ____________
log(3+2) = ____________.