8．
0 159628 159636 159642 159646 159652 159654 159658 159664 159666 159672 159678 159682 159684 159688 159694 159696 159702 159706 159708 159712 159714 159718 159720 159722 159723 159724 159726 159727 159728 159730 159732 159736 159738 159742 159744 159748 159754 159756 159762 159766 159768 159772 159778 159784 159786 159792 159796 159798 159804 159808 159814 159822 199269
| 口算： 9600-600= | 8080-80= | 35÷5= | 3×6+5= |
| 40÷5= | 53+7= | 28÷4= | 24÷6-3= |
| 100-49= | 36÷9= | 47-28= | 64÷（16-8）= |
