题目内容
化简
[
(2
+8
)-(4
-2
)]的结果是( )
| 1 |
| 3 |
| 1 |
| 2 |
| a |
| b |
| a |
| b |
A.2
| B.2
| C.
| D.
|
原式等于
[(
×2-4)
+(8-2)
]=-
+2
.
故选B.
| 1 |
| 3 |
| 1 |
| 2 |
| a |
| b |
| a |
| b |
故选B.
练习册系列答案
相关题目
化简
[
(2
+8
)-(4
-2
)]的结果是( )
| 1 |
| 3 |
| 1 |
| 2 |
| a |
| b |
| a |
| b |
A、2
| ||||
B、2
| ||||
C、
| ||||
D、
|