问题
解答题
计算下列各题 (1)52log53+log432-log3(log28)-
(2)lg500+lg
|
答案
(1)原式=3+
-log33-log232 log24
=3+log23 2log23
-1-5 2
=0,1 2
(2)原式=lg800-lg8+50=lg100+50=2+50=52.
计算下列各题 (1)52log53+log432-log3(log28)-
(2)lg500+lg
|
(1)原式=3+
-log33-log232 log24
=3+log23 2log23
-1-5 2
=0,1 2
(2)原式=lg800-lg8+50=lg100+50=2+50=52.