题目内容
计算:
(1)
-
+
(2)(π-2012)0+
+|1-
|.
(1)
| 8 |
| 2 | ||
|
| 12 |
(2)(π-2012)0+
| 18 |
| 2 |
(1)原式=2
-
+2
=
+2
;
(2)原式=1+3
+
-1
=4
.
| 2 |
| 2 |
| 3 |
=
| 2 |
| 3 |
(2)原式=1+3
| 2 |
| 2 |
=4
| 2 |
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题目内容
| 8 |
| 2 | ||
|
| 12 |
| 18 |
| 2 |
| 2 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 2 |
| 2 |