题目内容
化简:
(1)
+
-(
-
)
(2)-
(2
-4
-3
)
(1)
| 0.5 |
| 12 |
|
4
|
(2)-
| ||
| 2 |
| 12 |
|
| 48 |
(1)原式=
+2
-
+
=2
+
(2)原式=-2
+1+6
=4
+1
| ||
| 2 |
| 3 |
| ||
| 3 |
3
| ||
| 2 |
| 2 |
| 5 |
| 3 |
| 3 |
(2)原式=-2
| 6 |
| 6 |
| 6 |
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题目内容
| 0.5 |
| 12 |
|
4
|
| ||
| 2 |
| 12 |
|
| 48 |
| ||
| 2 |
| 3 |
| ||
| 3 |
3
| ||
| 2 |
| 2 |
| 5 |
| 3 |
| 3 |
| 6 |
| 6 |
| 6 |