8．直接写得数．
0 164863 164871 164877 164881 164887 164889 164893 164899 164901 164907 164913 164917 164919 164923 164929 164931 164937 164941 164943 164947 164949 164953 164955 164957 164958 164959 164961 164962 164963 164965 164967 164971 164973 164977 164979 164983 164989 164991 164997 165001 165003 165007 165013 165019 165021 165027 165031 165033 165039 165043 165049 165057 199269
| 8×$\frac{3}{4}$= | $\frac{7}{12}$×$\frac{3}{14}$= | 7×$\frac{9}{7}$= | $\frac{4}{9}$×$\frac{2}{5}$= |
| $\frac{3}{4}$×0= | $\frac{3}{5}$×15= | 42×$\frac{1}{14}$= | $\frac{4}{9}$×$\frac{1}{3}$= |
| 3÷$\frac{1}{3}$= | $\frac{1}{5}$÷4= | $\frac{4}{15}$+$\frac{11}{15}$= | $\frac{5}{9}$×$\frac{3}{5}$= |