题目内容
计算(
)-
+100(
lg9-lg2)+ln
+log98•log4
=______．
| 16 |
| 9 |
| 1 |
| 2 |
| 1 |
| 2 |
| 4 | e3 |
| 3 | 3 |
(
)-
+100(
lg9-lg2)+ln
+log98•log4
=
+100lg(
)+
+
•
=
+
+
+
=4．
故答案为：4．
| 16 |
| 9 |
| 1 |
| 2 |
| 1 |
| 2 |
| 4 | e3 |
| 3 | 3 |
=
| 3 |
| 4 |
| 3 |
| 2 |
| 3 |
| 4 |
| 3lg2 |
| 2lg3 |
| ||
| 2lg2 |
=
| 3 |
| 4 |
| 9 |
| 4 |
| 3 |
| 4 |
| 1 |
| 4 |
=4．
故答案为：4．
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