| |
商的位数 |
估算的结果 |
准确值 |
| 816÷3 |
_________ |
_________ |
_________ |
| 255÷5 |
_________ |
_________ |
_________ |
| 424÷8 |
_________ |
_________ |
_________ |
| 886÷9 |
_________ |
_________ |
_________ |
| 645÷6 |
_________ |
_________ |
_________ |
| 735÷7 |
_________ |
_________ |
_________ |
