题目内容
计算：(
)-1+
•tan30°-
-(2008-π)0．
| 1 |
| 3 |
| 3 |
| 3 | 8 |
(
)-1+
•tan30°-
-(2008-π)0
=
+
×
-
-1
=3+1-2-1
=1．
| 1 |
| 3 |
| 3 |
| 3 | 8 |
=
| 1 | ||
|
| 3 |
| ||
| 3 |
| 3 | 23 |
=3+1-2-1
=1．
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| 1 |
| 3 |
| 3 |
| 3 | 8 |
| 1 |
| 3 |
| 3 |
| 3 | 8 |
| 1 | ||
|
| 3 |
| ||
| 3 |
| 3 | 23 |
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