9．一副扑克牌共54张，从抽一张，抽到6的可能性是（ ）
| A． | $\frac{1}{27}$ | B． | $\frac{1}{4}$ | C． | $\frac{2}{27}$ |
7．直接写出结果．
0 164577 164585 164591 164595 164601 164603 164607 164613 164615 164621 164627 164631 164633 164637 164643 164645 164651 164655 164657 164661 164663 164667 164669 164671 164672 164673 164675 164676 164677 164679 164681 164685 164687 164691 164693 164697 164703 164705 164711 164715 164717 164721 164727 164733 164735 164741 164745 164747 164753 164757 164763 164771 199269
| $\frac{3}{4}$×$\frac{4}{5}$= | $\frac{2}{15}$×15= | 36×$\frac{7}{9}$= | $\frac{18}{11}$×121= | 95×$\frac{21}{76}$= |
| $\frac{4}{5}$×$\frac{1}{3}$= | $\frac{6}{13}$×$\frac{2}{3}$= | $\frac{3}{14}$×$\frac{7}{26}$= | $\frac{4}{5}$×$\frac{6}{7}$= | $\frac{38}{15}$×$\frac{5}{12}$= |