14.计算16×12可用以下三种方法:
(1)将12分成×6×2,然后原式=16×6×2=96×2=192.(2)先计算16×10=160,再算16×2=32,再算160+32=192.
(3)根据下面的表格来计算:
100+60+20+12=192.
0 130766 130774 130780 130784 130790 130792 130796 130802 130804 130810 130816 130820 130822 130826 130832 130834 130840 130844 130846 130850 130852 130856 130858 130860 130861 130862 130864 130865 130866 130868 130870 130874 130876 130880 130882 130886 130892 130894 130900 130904 130906 130910 130916 130922 130924 130930 130934 130936 130942 130946 130952 130960 199269
(1)将12分成×6×2,然后原式=16×6×2=96×2=192.(2)先计算16×10=160,再算16×2=32,再算160+32=192.
(3)根据下面的表格来计算:
| × | 10 | 6 |
| 10 | 100 | 60 |
| 2 | 20 | 12 |