8．
0 158659 158667 158673 158677 158683 158685 158689 158695 158697 158703 158709 158713 158715 158719 158725 158727 158733 158737 158739 158743 158745 158749 158751 158753 158754 158755 158757 158758 158759 158761 158763 158767 158769 158773 158775 158779 158785 158787 158793 158797 158799 158803 158809 158815 158817 158823 158827 158829 158835 158839 158845 158853 199269
| 口算： 14×20= | 96÷3= | 34÷2= | 108×4= |
| 20×60= | 22×30= | 20×42= | 612÷6= |
| 800×3= | 30×12= | 270÷9= | 0×700= |
| 240÷3= | 560÷8= | 50×40= | 420÷7-25= |
| 10×36= | 7×300= | 360×2= | 15×10+28= |