16．直接写出得数
| 3.4+1.6= | 4.3-0.8= | 10.2-2= | 4.9×1000= | 0.5×0.3= |
| 0.25×4= | 14×0.2= | 20×0.4= | 0.87-0.6= | 1.25×8= |
13．直接写得数
0 162600 162608 162614 162618 162624 162626 162630 162636 162638 162644 162650 162654 162656 162660 162666 162668 162674 162678 162680 162684 162686 162690 162692 162694 162695 162696 162698 162699 162700 162702 162704 162708 162710 162714 162716 162720 162726 162728 162734 162738 162740 162744 162750 162756 162758 162764 162768 162770 162776 162780 162786 162794 199269
| 6.3÷0.1= | 1÷$\frac{4}{9}$= | 36×25%= |
| 3-$\frac{2}{5}$= | $\frac{3}{4}$×$\frac{4}{9}$= | 10.3-0.89= |