题目内容
计算:
(1)
-(
-
)
(2)
+(
)-1+|
-1|-(π-2)0.
(1)
|
| 1 |
| 6 |
| 24 |
| 3 |
| 2 |
| 12 |
(2)
| 12 |
| 1 |
| 3 |
| 3 |
(1)原式=
-
+3
=3
;
(2)原式=2
+3+
-1-1=3
+1.
| ||
| 3 |
| ||
| 3 |
| 3 |
| 3 |
(2)原式=2
| 3 |
| 3 |
| 3 |
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