比一比,看谁算得又对以快.
|
(1) |
60 ×8= |
20 ×9= |
| (2) |
600 ×2= |
4000 ×6= |
|
(3) |
90 ×9= |
700 ×5= |
| (4) |
200 ×3= |
70 ×7= |
|
(5) |
5000 ×6= |
90 ×8= |
比一比,看谁算得又对以快.
|
(1) |
60 ×8= |
20 ×9= |
| (2) |
600 ×2= |
4000 ×6= |
|
(3) |
90 ×9= |
700 ×5= |
| (4) |
200 ×3= |
70 ×7= |
|
(5) |
5000 ×6= |
90 ×8= |