题目内容
计算:
(1)
-
+
(2)(4
-4
+3
)÷2
.
(1)
| 18 |
| 32 |
| 2 |
(2)(4
| 6 |
|
| 8 |
| 2 |
(1)原式=3
-4
+
=0;
(2)原式=(4
-2
+6
)÷2
=(4
+4
)÷2
=2
+2.
| 2 |
| 2 |
| 2 |
(2)原式=(4
| 6 |
| 2 |
| 2 |
| 2 |
| 6 |
| 2 |
| 2 |
| 3 |
练习册系列答案
相关题目
题目内容
| 18 |
| 32 |
| 2 |
| 6 |
|
| 8 |
| 2 |
| 2 |
| 2 |
| 2 |
| 6 |
| 2 |
| 2 |
| 2 |
| 6 |
| 2 |
| 2 |
| 3 |