题目内容
计算:
(1)-
+
;
(2)
+
-
-
;
(3)|
-
|+|
-1|-|3-
|;
(4)
-|
|+
-
.
(1)-
| 22 |
| 3 |
(-1
|
(2)
| 3 | 8 |
| 0 |
|
| 3 | -0.125 |
(3)|
| 6 |
| 2 |
| 2 |
| 6 |
(4)
| 3 | 5 |
| 3 | -5 |
| 22 |
| (-2)2 |
(1)原式=-
+
=
;
(2)原式=2+0-
+
=2;
(3)原式=
-
+
-1-3+
=2
-4;
(4)原式=
-
+2-2=0.
| 4 |
| 3 |
| 5 |
| 3 |
| 1 |
| 3 |
(2)原式=2+0-
| 1 |
| 2 |
| 1 |
| 2 |
(3)原式=
| 6 |
| 2 |
| 2 |
| 6 |
| 6 |
(4)原式=
| 3 | 5 |
| 3 | 5 |
练习册系列答案
相关题目