题目内容
计算下列各题
|
| ||||||||||||
|
|
(1)
×
×
=
;
(2)
÷
×
=
×
×
=
;
(3)
÷25÷
=
×
×
=
;
(4)
×
÷
=
×
×
=
.
| 4 |
| 7 |
| 21 |
| 10 |
| 2 |
| 5 |
| 12 |
| 25 |
(2)
| 4 |
| 9 |
| 5 |
| 6 |
| 5 |
| 8 |
=
| 4 |
| 9 |
| 6 |
| 5 |
| 5 |
| 8 |
=
| 1 |
| 3 |
(3)
| 2 |
| 3 |
| 4 |
| 5 |
=
| 2 |
| 3 |
| 1 |
| 25 |
| 5 |
| 4 |
=
| 1 |
| 30 |
(4)
| 12 |
| 13 |
| 1 |
| 4 |
| 9 |
| 16 |
=
| 12 |
| 13 |
| 1 |
| 4 |
| 16 |
| 9 |
=
| 16 |
| 39 |
练习册系列答案
相关题目