一、口算。
$\frac {10}{11}÷5=$
$\frac {7}{8}÷3=$
$\frac {8}{19}÷16=$
$\frac {11}{21}÷33=$
$\frac {1}{3}÷9=$
$\frac {1}{5}÷5=$
$\frac {7}{12}÷14=$
$\frac {24}{7}÷6=$
$\frac {8}{9}÷6=$
$\frac {3}{8}÷10=$
$\frac {39}{80}÷26=$
$\frac {3}{5}÷15=$
$\frac {9}{5}÷3=$
$\frac {8}{7}÷4=$
$\frac {1}{6}÷3=$
$\frac {6}{7}÷6=$
$\frac {4}{25}÷2=$
$\frac {7}{10}÷5=$
$\frac {5}{8}÷20=$
$\frac {7}{10}÷2=$
$\frac {13}{24}÷39=$
$\frac {10}{11}÷5=$
$\frac {2}{11}$
$\frac {7}{8}÷3=$
$\frac {7}{24}$
$\frac {8}{19}÷16=$
$\frac {1}{38}$
$\frac {11}{21}÷33=$
$\frac {1}{63}$
$\frac {1}{3}÷9=$
$\frac {1}{27}$
$\frac {1}{5}÷5=$
$\frac {1}{25}$
$\frac {7}{12}÷14=$
$\frac {1}{24}$
$\frac {24}{7}÷6=$
$\frac {4}{7}$
$\frac {8}{9}÷6=$
$\frac {4}{27}$
$\frac {3}{8}÷10=$
$\frac {3}{80}$
$\frac {39}{80}÷26=$
$\frac {3}{160}$
$\frac {3}{5}÷15=$
$\frac {1}{25}$
$\frac {9}{5}÷3=$
$\frac {3}{5}$
$\frac {8}{7}÷4=$
$\frac {2}{7}$
$\frac {1}{6}÷3=$
$\frac {1}{18}$
$\frac {6}{7}÷6=$
$\frac {1}{7}$
$\frac {4}{25}÷2=$
$\frac {2}{25}$
$\frac {7}{10}÷5=$
$\frac {7}{50}$
$\frac {5}{8}÷20=$
$\frac {1}{32}$
$\frac {7}{10}÷2=$
$\frac {7}{20}$
$\frac {13}{24}÷39=$
$\frac {1}{72}$
答案
一、$\frac {2}{11}$ $\frac {7}{24}$ $\frac {1}{38}$
$\frac {1}{63}$ $\frac {1}{27}$ $\frac {1}{25}$
$\frac {1}{24}$ $\frac {4}{7}$ $\frac {4}{27}$
$\frac {3}{80}$ $\frac {3}{160}$ $\frac {1}{25}$
$\frac {3}{5}$ $\frac {2}{7}$ $\frac {1}{18}$
$\frac {1}{7}$ $\frac {2}{25}$ $\frac {7}{50}$
$\frac {1}{32}$ $\frac {7}{20}$ $\frac {1}{72}$
$\frac {1}{63}$ $\frac {1}{27}$ $\frac {1}{25}$
$\frac {1}{24}$ $\frac {4}{7}$ $\frac {4}{27}$
$\frac {3}{80}$ $\frac {3}{160}$ $\frac {1}{25}$
$\frac {3}{5}$ $\frac {2}{7}$ $\frac {1}{18}$
$\frac {1}{7}$ $\frac {2}{25}$ $\frac {7}{50}$
$\frac {1}{32}$ $\frac {7}{20}$ $\frac {1}{72}$
二、连一连。
答案
解析
$\frac{5}{9}÷5$连$\frac{5}{9}×\frac{1}{5}$
$\frac{7}{8}÷6$连$\frac{7}{8}×\frac{1}{6}$
$\frac{1}{10}÷9$连$\frac{1}{10}×\frac{1}{9}$
$\frac{7}{12}÷2$连$\frac{7}{12}×\frac{1}{2}$
$\frac{5}{11}÷7$连$\frac{5}{11}×\frac{1}{7}$
$\frac{7}{8}÷6$连$\frac{7}{8}×\frac{1}{6}$
$\frac{1}{10}÷9$连$\frac{1}{10}×\frac{1}{9}$
$\frac{7}{12}÷2$连$\frac{7}{12}×\frac{1}{2}$
$\frac{5}{11}÷7$连$\frac{5}{11}×\frac{1}{7}$
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