题目内容
计算:
(1)2-1-
+(
)2;
(2)
+|1-
|-(
)0.
(1)2-1-
| 3 | (-8)3 |
| 2 |
(2)
| (-2)2 |
| 2 |
| 2 |
(1)原式=
-(-8)+2=
+8+2=10
;
(2)原式=2+
-1-1=
.
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
(2)原式=2+
| 2 |
| 2 |
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题目内容
| 3 | (-8)3 |
| 2 |
| (-2)2 |
| 2 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 2 |
| 2 |