16．
0 155738 155746 155752 155756 155762 155764 155768 155774 155776 155782 155788 155792 155794 155798 155804 155806 155812 155816 155818 155822 155824 155828 155830 155832 155833 155834 155836 155837 155838 155840 155842 155846 155848 155852 155854 155858 155864 155866 155872 155876 155878 155882 155888 155894 155896 155902 155906 155908 155914 155918 155924 155932 199269
| 口算 300÷50= | 1.4-0.6= | 1.82-1.42= | 1-0.75= | 0.52+0.25= |
| 8×600= | 0.7+0.3= | 4.5+0.5= | 0.52+0.48= | 0.74-0.47= |
| 68÷34= | 0.56-0.26= | 3.4-3.1= | 3.6+6.4= |