14．计算下面各题，能简算的要简算
0 158935 158943 158949 158953 158959 158961 158965 158971 158973 158979 158985 158989 158991 158995 159001 159003 159009 159013 159015 159019 159021 159025 159027 159029 159030 159031 159033 159034 159035 159037 159039 159043 159045 159049 159051 159055 159061 159063 159069 159073 159075 159079 159085 159091 159093 159099 159103 159105 159111 159115 159121 159129 199269
| [1+（$\frac{1}{4}$$+\frac{3}{8}$）]$÷\frac{1}{4}$ | （$\frac{6}{7}$×125）×7×8 | $\frac{5}{6}$×$\frac{1}{13}$$+\frac{5}{9}$×$\frac{2}{13}$$+\frac{5}{18}$×$\frac{6}{13}$ |
| 139×$\frac{137}{138}$+137×$\frac{1}{138}$ | 1÷[（$\frac{1}{3}$-$\frac{1}{5}$）×$\frac{3}{8}$] | $\frac{1}{7}$×$57\frac{1}{6}$ |