12
把下面各数约成最简分数
$\frac{6}{30}=$ $\frac{4}{12}=$ $\frac{16}{30}=$
$\frac{24}{36}=$ $\frac{2}{12}=$ $\frac{24}{38}=$
$\frac{18}{24}=$ $\frac{18}{48}=$ $\frac{24}{72}=$
$\frac{16}{46}=$ $\frac{24}{50}=$ $\frac{25}{70}=$
$\frac{21}{63}=$ $\frac{15}{45}=$ $\frac{22}{55}=$
把下面各数约成最简分数
$\frac{6}{30}=$ $\frac{4}{12}=$ $\frac{16}{30}=$
$\frac{24}{36}=$ $\frac{2}{12}=$ $\frac{24}{38}=$
$\frac{18}{24}=$ $\frac{18}{48}=$ $\frac{24}{72}=$
$\frac{16}{46}=$ $\frac{24}{50}=$ $\frac{25}{70}=$
$\frac{21}{63}=$ $\frac{15}{45}=$ $\frac{22}{55}=$
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