第19页

信息发布者:
3.111
2.16
​$\frac {13}{20}$​
​$1\frac {12}{25}$​

​$\frac {10}{25}=\frac {2}{5},\frac {39}{65}=\frac {3}{5}$​
​$\frac {57}{38}=\frac {3}{2},\frac {13}{91}=\frac {1}{7}$​
​$ \frac {5}{7}=\frac {15}{21},$​​$\frac {2}{3}=\frac {14}{21}$​
​$ \frac {7}{12}=\frac {14}{24},$​​$\frac {5}{8}=\frac {15}{24}$​
​$ \frac {13}{12}=\frac {65}{60},$​​$\frac {6}{5}=\frac {72}{60}$​
​$ \frac {1}{2}=\frac {6}{12},$​​$\frac {9}{4}=\frac {27}{12},$​​$\frac {11}{6}=\frac {22}{12}$​


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