2．能简算的就简算
0 157849 157857 157863 157867 157873 157875 157879 157885 157887 157893 157899 157903 157905 157909 157915 157917 157923 157927 157929 157933 157935 157939 157941 157943 157944 157945 157947 157948 157949 157951 157953 157957 157959 157963 157965 157969 157975 157977 157983 157987 157989 157993 157999 158005 158007 158013 158017 158019 158025 158029 158035 158043 199269
| 201×45 | 30.2-4.7-5.3 | 0.25×1.25×32 |
| 24×（$\frac{1}{4}$+$\frac{5}{6}$-$\frac{7}{8}$） | $\frac{9}{8}$÷〔（$\frac{2}{5}$+$\frac{1}{10}$）×$\frac{3}{4}$〕 | （156×$\frac{4}{13}$-26）×$\frac{8}{11}$ |
