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