题目内容
计算题:
(1)|
-
|+2
(2)
+
-
.
(1)|
| 2 |
| 3 |
| 2 |
(2)
| 3 | 1-
| ||
(-
|
| 3 | -0.027 |
(1)原式=
-
+2
=
+
;
(2)原式=
+|-
|-(-0.3)=-
+
+0.3=0.3.
| 3 |
| 2 |
| 2 |
| 3 |
| 2 |
(2)原式=
| 3 | -
| ||
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
练习册系列答案
相关题目