9．计算．
| $\frac{5}{8}$+$\frac{5}{6}$ | $\frac{11}{15}$×$\frac{3}{22}$ | 2$\frac{2}{9}$×$\frac{3}{4}$ |
| $\frac{7}{9}$×$\frac{36}{14}$ | $\frac{4}{9}$+48×$\frac{1}{4}$ | 15×$\frac{7}{15}$×$\frac{3}{5}$ |
8．直接写出结果
0 154675 154683 154689 154693 154699 154701 154705 154711 154713 154719 154725 154729 154731 154735 154741 154743 154749 154753 154755 154759 154761 154765 154767 154769 154770 154771 154773 154774 154775 154777 154779 154783 154785 154789 154791 154795 154801 154803 154809 154813 154815 154819 154825 154831 154833 154839 154843 154845 154851 154855 154861 154869 199269
| $\frac{2}{3}$×$\frac{1}{4}$= | $\frac{5}{6}$+$\frac{5}{6}$= | 10×$\frac{3}{5}$= | $\frac{2}{3}+\frac{3}{5}$= |
| $\frac{5}{6}$-$\frac{1}{2}$= | $\frac{5}{8}+\frac{2}{3}$= | 0×$\frac{4}{5}$= | $\frac{3}{5}-\frac{2}{7}$= |
| $\frac{3}{14}$×140= | 15×$\frac{2}{3}$= | 15×$\frac{2}{15}$= | 0.4×$\frac{5}{2}$= |