9．
| 计算 1$\frac{1}{3}$×$\frac{3}{8}$ | $\frac{5}{6}$×$\frac{7}{8}$ | 75×$\frac{2}{3}$ |
| 2$\frac{2}{9}$×$\frac{3}{4}$ | 1$\frac{3}{4}$×140 | 2.5×$\frac{2}{15}$． |
8．
0 160471 160479 160485 160489 160495 160497 160501 160507 160509 160515 160521 160525 160527 160531 160537 160539 160545 160549 160551 160555 160557 160561 160563 160565 160566 160567 160569 160570 160571 160573 160575 160579 160581 160585 160587 160591 160597 160599 160605 160609 160611 160615 160621 160627 160629 160635 160639 160641 160647 160651 160657 160665 199269
| 直接写答数 1+$\frac{1}{3}$ | 2-$\frac{1}{2}$ | $\frac{1}{8}$+$\frac{7}{8}$ | 1$\frac{1}{12}$-$\frac{1}{12}$ |
| $\frac{1}{3}$×$\frac{3}{4}$ | $\frac{4}{5}$÷2 | 0×$\frac{13}{69}$ | 0+$\frac{11}{5}$ |
| 54×$\frac{4}{27}$ | $\frac{3}{4}$×12 | 0.4×$\frac{5}{2}$ | 1$\frac{3}{4}$×$\frac{4}{7}$． |