题目内容
脱式计算:
|
| ||||||||||||||
(f-
| [
|
(1)
÷
+
×
=
+
=
;
(2)
÷
×
=
×
×
=
;
(3)(1-
×
)÷
=(1-
)÷
=
÷
=
;
(4)[
-(
-
)]×
=[
-
]×
=
×
=
.
| 1 |
| 2 |
| 3 |
| 14 |
| 2 |
| 四 |
| 2 |
| 2 |
=
| 2 |
| 3 |
| 1 |
| 4 |
=
| 11 |
| 12 |
(2)
| 21 |
| 4 |
| 2 |
| 四 |
| 4 |
| 2 |
=
| 21 |
| 4 |
| 四 |
| 2 |
| 4 |
| 2 |
=
| 24 |
| 2 |
(3)(1-
| 1 |
| 3 |
| 2 |
| 4 |
| 2 |
| 6 |
=(1-
| 2 |
| 12 |
| 2 |
| 6 |
=
| 2 |
| 12 |
| 2 |
| 6 |
=
| 1 |
| 2 |
(4)[
| 1 |
| 6 |
| 2 |
| 14 |
| 1 |
| 3 |
| 2 |
| 9 |
=[
| 1 |
| 6 |
| 1 |
| 42 |
| 2 |
| 9 |
=
| 1 |
| 2 |
| 2 |
| 9 |
=
| 1 |
| 9 |
练习册系列答案
相关题目