题目内容
| 用竖式计算 17×243= | 308×65= | 450×60= |
17×243=4131;
308×65=20020;
450×60=27000;
|
| . |
| 1701 |
| 243 |
| 4131 |
308×65=20020;
|
| . |
| 1540 |
| 1848 |
| 20020 |
450×60=27000;
|
| . |
| 27000 |
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