题目内容
计算:
(1)
+
-(
-1)0
(2)(π+1)0-
+|-
|.
(1)
| 2 | ||
|
| 27 |
| 3 |
(2)(π+1)0-
| 12 |
| 3 |
(1)原式=
+3
-1=
+1+3
-1=4
;
(2)原式=1-2
+
=1-
.
2(
| ||||
(
|
| 3 |
| 3 |
| 3 |
| 3 |
(2)原式=1-2
| 3 |
| 3 |
| 3 |
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| 3 |
| 12 |
| 3 |
2(
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(
|
| 3 |
| 3 |
| 3 |
| 3 |
| 3 |
| 3 |
| 3 |