题目内容
计算:
(1)4
+
-
+4
(2)
+
-(
-1)0.
(1)4
| 5 |
| 45 |
| 8 |
| 2 |
| 2 | ||
|
| 27 |
| 3 |
(1)原式=4
+3
-2
+4
=7
+2
;
(2)原式=
+3
-1
=
-1.
| 5 |
| 5 |
| 2 |
| 2 |
=7
| 5 |
| 2 |
(2)原式=
| 2 |
| 3 |
| 3 |
| 3 |
=
| 11 |
| 3 |
| 3 |
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题目内容
| 5 |
| 45 |
| 8 |
| 2 |
| 2 | ||
|
| 27 |
| 3 |
| 5 |
| 5 |
| 2 |
| 2 |
| 5 |
| 2 |
| 2 |
| 3 |
| 3 |
| 3 |
| 11 |
| 3 |
| 3 |