求高中数学必修一(人教版)复习题答案

2024-11-25 17:30:55
推荐回答(1个)
回答1:

P82 3(1)loga2+loga(2*1/2)=loga1=0
(2)log3 18-log3 2=log3 18/2=log3 9=2
(3)lg1/4-lg1/4*25=lg1/100=-2