题目内容
计算:
(1)|
-
|+2
(2)(
-
)÷
.
(1)|
| 2 |
| 3 |
| 2 |
|
| 6 |
| 3 |
1)|
-
|+2
=
-
+2
=
+
;
(2)(
-
)÷
=
÷
-
÷
=
-
=-
;
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 2 |
| 3 |
| 2 |
(2)(
|
| 6 |
| 3 |
|
| 3 |
| 6 |
| 3 |
| ||
| 4 |
| 2 |
| 3 |
| 4 |
| 2 |
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| 6 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 2 |
| 3 |
| 2 |
|
| 6 |
| 3 |
|
| 3 |
| 6 |
| 3 |
| ||
| 4 |
| 2 |
| 3 |
| 4 |
| 2 |