4．直接写得数
0 162552 162560 162566 162570 162576 162578 162582 162588 162590 162596 162602 162606 162608 162612 162618 162620 162626 162630 162632 162636 162638 162642 162644 162646 162647 162648 162650 162651 162652 162654 162656 162660 162662 162666 162668 162672 162678 162680 162686 162690 162692 162696 162702 162708 162710 162716 162720 162722 162728 162732 162738 162746 199269
| 7+$\frac{5}{9}$= | 10÷$\frac{5}{7}$= | 4×$\frac{5}{6}$= | $\frac{2}{5}$÷$\frac{1}{5}$= | 3.6×$\frac{5}{9}$= |
| $\frac{1}{5}$×$\frac{5}{8}$= | $\frac{4}{7}$÷4= | $\frac{3}{4}$÷6= | $\frac{1}{3}$×$\frac{3}{10}$= | $\frac{1}{3}$×$\frac{1}{4}$÷$\frac{1}{3}$×$\frac{1}{4}$= |