题目内容
计算题:
(1)
+6
(2)
-
+
+2
.
(1)
| 2 |
| 3 |
| 9x |
|
(2)
|
| 24 |
|
|
(1)原式=2
+3
=5
;
(2)原式=
-2
+
+
=
-
.
| x |
| x |
| x |
(2)原式=
| ||
| 2 |
| 6 |
| ||
| 4 |
2
| ||
| 3 |
3
| ||
| 4 |
4
| ||
| 3 |
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题目内容
| 2 |
| 3 |
| 9x |
|
|
| 24 |
|
|
| x |
| x |
| x |
| ||
| 2 |
| 6 |
| ||
| 4 |
2
| ||
| 3 |
3
| ||
| 4 |
4
| ||
| 3 |