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计算:(1)log2.56.25+lg0.001+lne+2-1+log23(2)(214)12-(-2012)0-(338)−23+(32)-2.

题目详情
计算:(1)log2.56.25+lg0.001+ln
e
+2-1+log23
     (2)(2
1
4
 
1
2
-(-2012)0-(3
3
8
 
2
3
+(
3
2
-2
▼优质解答
答案和解析
(1)log2.56.25+lg0.001+ln
e
+2-1+log23
=2-3+
1
2
+
1
2
+log23
=log23.
(2)(2
1
4
 
1
2
-(-2012)0-(3
3
8
 
2
3
+(
3
2
-2
=
3
2
-1-
4
9
+
4
9

=
1
2