電子課本網(wǎng) › 第70頁

第70頁

信息發(fā)布者：

A

C

B

C

13

C

$\frac{3}{8}$、$\frac{3}{7}$、$\frac{6}{11}$、$\frac{3}{4}$、$\frac{5}{9}$

$\frac{1}{6}$、$\frac{1}{5}$、$\frac{4}{13}$

 $2\frac{1}{8}；$$1\frac{4}{5}；$4；$5\frac{7}{9}；$$4\frac{7}{20}$

0.375

0.71

0.8

1.17

$\frac{5}{8}$

$\frac{3}{2}$

$\frac{7}{20}$

?$5\frac {6}{25}$?

$\frac{2}{3}$

$\frac{4}{5}$

$\frac{1}{3}$

$\frac{3}{4}$

?$ \frac {2}{3}=\frac {10}{15}，$??$\frac {3}{5}=\frac {9}{15}，$??$\frac {2}{3}＞\frac {3}{5}；$?

?$\frac {7}{12}=\frac {21}{36}，$??$\frac {5}{9}=\frac {20}{36}，$??$\frac {7}{12}＞\frac {5}{9}；$?

?$\frac {7}{18}=\frac {14}{36}，$??$\frac {5}{12}=\frac {15}{36}，$??$\frac {7}{18}＜\frac {5}{12}$?

?$\frac {2}{5}$?＜?$\frac {5}{8}$?＜?$\frac {3}{4}$?

?$\frac {3}{4}$?＜?$\frac {4}{5}$?＜?$\frac {6}{7}$?

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