15．直接写得数
0 157746 157754 157760 157764 157770 157772 157776 157782 157784 157790 157796 157800 157802 157806 157812 157814 157820 157824 157826 157830 157832 157836 157838 157840 157841 157842 157844 157845 157846 157848 157850 157854 157856 157860 157862 157866 157872 157874 157880 157884 157886 157890 157896 157902 157904 157910 157914 157916 157922 157926 157932 157940 199269
| $\frac{5}{34}$×4= | 6-$\frac{7}{10}$= | $\frac{2}{5}$÷$\frac{1}{5}$= | 6÷1%= |
| $\frac{5}{6}$×0÷$\frac{5}{6}$= | $\frac{1}{4}$×$\frac{3}{8}$= | 0.99×9+0.99= | $\frac{3}{7}$×$\frac{2}{5}$×5×7= |
