题目内容
2log2
+(
)-
+lg25+2lg2-(log23)(log916)+(
-1)lg1=______.
| 1 |
| 4 |
| 16 |
| 9 |
| 1 |
| 2 |
| 2 |
2log2
+(
)-
+lg25+2lg2-(log23)(log916)+(
-1)lg1
=
+
+lg100-
•lo
+1
=1+2-2+1
=2.
故答案为:2.
| 1 |
| 4 |
| 16 |
| 9 |
| 1 |
| 2 |
| 2 |
=
| 1 |
| 4 |
| 3 |
| 4 |
| log | 32 |
| g | 43 |
=1+2-2+1
=2.
故答案为:2.
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