题目内容
计算:(1)
×
+
×
-
;
(2)|
-2|-|1-
|-|
+
-5|.
| 3 |
| 2 |
| 4 |
| 1 |
| 2 |
| 144 |
| 3 | 1000 |
(2)|
| 3 |
| 2 |
| 2 |
| 3 |
(1)原式=
×2+
×12-10=3+6-10=-1;
(2)原式=2-
+1-
+
+
-5=-2.
| 3 |
| 2 |
| 1 |
| 2 |
(2)原式=2-
| 3 |
| 2 |
| 2 |
| 3 |
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题目内容
| 3 |
| 2 |
| 4 |
| 1 |
| 2 |
| 144 |
| 3 | 1000 |
| 3 |
| 2 |
| 2 |
| 3 |
| 3 |
| 2 |
| 1 |
| 2 |
| 3 |
| 2 |
| 2 |
| 3 |