题目内容
计算
(1)
+
-
+
(2)(3
+
-4
)÷
.
(1)
| 45 |
| 18 |
| 8 |
| 125 |
(2)(3
| 8 |
| 1 |
| 5 |
| 50 |
|
| 32 |
(1)原式=3
+3
-2
+5
=8
+
;
(2)原式=(6
+
-2
)÷4
=5
÷4
=
.
| 5 |
| 2 |
| 2 |
| 5 |
| 5 |
| 2 |
(2)原式=(6
| 2 |
| 2 |
| 2 |
| 2 |
| 2 |
| 2 |
| 5 |
| 4 |
练习册系列答案
相关题目