根据下面的描述，在图上标出科技馆和书店的位置．
2．直接写出得数
0 157759 157767 157773 157777 157783 157785 157789 157795 157797 157803 157809 157813 157815 157819 157825 157827 157833 157837 157839 157843 157845 157849 157851 157853 157854 157855 157857 157858 157859 157861 157863 157867 157869 157873 157875 157879 157885 157887 157893 157897 157899 157903 157909 157915 157917 157923 157927 157929 157935 157939 157945 157953 199269
| 720÷12= | 40-10.35= | 4.35+5.36= | 99×66+66= |
| 0.516×100= | 50-20÷5= | 35×25×4= | 4.5÷100= |