题目内容
计算:
(1)|
-
|-(-π)0+
;
(2)(-3)2-
•
-
.
(1)|
| 3 |
| 2 |
| 3 |
| 1 |
| 2 |
| (-3)2 |
(2)(-3)2-
| 5 |
| 5 |
| 3 | -8 |
(1)原式=
-
-1+
=
-1;
(2)原式=9-5-(-2)=9-5+2=6.
| 3 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
(2)原式=9-5-(-2)=9-5+2=6.
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题目内容
| 3 |
| 2 |
| 3 |
| 1 |
| 2 |
| (-3)2 |
| 5 |
| 5 |
| 3 | -8 |
| 3 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |