问题 填空题
计算:log2.56.25+lg0.001+ln
e
+2-1+log23
=______.
答案

log2.56.25+lg0.001+ln

e
+2-1+log23

=log2.52.52+lg10-3+

1
2
+2log2
3
2

=2-3+

1
2
+
3
2
=1.

故答案为1.

单项选择题
单项选择题