5.直接写出得数.
3000÷5= | 8×12= | 3×900= | 350÷7= | 13×2= |
200÷5= | 28÷4= | 18×0= | 67+29= | 60÷3= |
17.脱式计算,能简算的要简算.
0 164618 164626 164632 164636 164642 164644 164648 164654 164656 164662 164668 164672 164674 164678 164684 164686 164692 164696 164698 164702 164704 164708 164710 164712 164713 164714 164716 164717 164718 164720 164722 164726 164728 164732 164734 164738 164744 164746 164752 164756 164758 164762 164768 164774 164776 164782 164786 164788 164794 164798 164804 164812 199269
(20+8)×125 | 25×44 | 2800÷25 |
640÷[(96-80)×4] | (36×54-984)÷24 | 150÷[90÷(67-52)] |