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先约分，再化成整数或带分数
$\frac{35}{7}=$ $\frac{24}{12}=$ $\frac{80}{6}=$
$\frac{30}{18}=$ $\frac{42}{21}=$ $\frac{65}{35}=$
$\frac{44}{22}=$ $\frac{30}{12}=$ $\frac{81}{9}=$
$\frac{250}{220}=$ $\frac{80}{25}=$ $\frac{126}{4}=$
$\frac{55}{15}=$ $\frac{120}{40}=$ $\frac{99}{66}=$
先约分，再化成整数或带分数
$\frac{35}{7}=$ $\frac{24}{12}=$ $\frac{80}{6}=$
$\frac{30}{18}=$ $\frac{42}{21}=$ $\frac{65}{35}=$
$\frac{44}{22}=$ $\frac{30}{12}=$ $\frac{81}{9}=$
$\frac{250}{220}=$ $\frac{80}{25}=$ $\frac{126}{4}=$
$\frac{55}{15}=$ $\frac{120}{40}=$ $\frac{99}{66}=$
答案：
先约分，再比较每组中两个分数的大小
$\frac{15}{25}\bigcirc\frac{28}{35}$ $\frac{4}{3}\bigcirc\frac{3}{4}$ $\frac{18}{24}\bigcirc\frac{3}{4}$
$\frac{18}{42}\bigcirc\frac{45}{65}$ $\frac{4}{10}\bigcirc\frac{8}{20}$ $\frac{10}{25}\bigcirc\frac{8}{20}$
$\frac{6}{20}\bigcirc\frac{3}{30}$ $\frac{30}{36}\bigcirc\frac{35}{49}$ $\frac{1}{3}\bigcirc\frac{20}{60}$
$\frac{35}{63}\bigcirc\frac{40}{72}$ $\frac{21}{45}\bigcirc\frac{35}{60}$ $\frac{18}{36}\bigcirc\frac{21}{28}$
$\frac{12}{18}\bigcirc\frac{2}{3}$ $\frac{4}{18}\bigcirc\frac{3}{27}$ $\frac{12}{48}\bigcirc\frac{31}{62}$
$\frac{15}{25}\bigcirc\frac{28}{35}$ $\frac{4}{3}\bigcirc\frac{3}{4}$ $\frac{18}{24}\bigcirc\frac{3}{4}$
$\frac{18}{42}\bigcirc\frac{45}{65}$ $\frac{4}{10}\bigcirc\frac{8}{20}$ $\frac{10}{25}\bigcirc\frac{8}{20}$
$\frac{6}{20}\bigcirc\frac{3}{30}$ $\frac{30}{36}\bigcirc\frac{35}{49}$ $\frac{1}{3}\bigcirc\frac{20}{60}$
$\frac{35}{63}\bigcirc\frac{40}{72}$ $\frac{21}{45}\bigcirc\frac{35}{60}$ $\frac{18}{36}\bigcirc\frac{21}{28}$
$\frac{12}{18}\bigcirc\frac{2}{3}$ $\frac{4}{18}\bigcirc\frac{3}{27}$ $\frac{12}{48}\bigcirc\frac{31}{62}$
答案：
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