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