16.求比值.
0 139880 139888 139894 139898 139904 139906 139910 139916 139918 139924 139930 139934 139936 139940 139946 139948 139954 139958 139960 139964 139966 139970 139972 139974 139975 139976 139978 139979 139980 139982 139984 139988 139990 139994 139996 140000 140006 140008 140014 140018 140020 140024 140030 140036 140038 140044 140048 140050 140056 140060 140066 140074 199269
| $\frac{2}{5}$:$\frac{1}{6}$ | 0.8:1.6 | 60m:70m |
| 1.5t:120kg | 9:$\frac{1}{15}$ | 8:$\frac{7}{2}$. |