第29页

信息发布者：

$\frac{2}{9}$
$\frac{2}{7}$
$\frac{4}{5}$
$\frac{1}{2}$
$3\frac{3}{4}$
1
8
$\frac{3}{5}$
​$ =\frac {8}{21}×7×\frac {9}{4}$​
​$ =\frac {8}{3}×\frac {9}{4}$​
​$ =6$​
​$ =\frac {11}{18}×\frac {2}{33}×\frac {9}{10}$​
​$ =\frac {1}{27}×\frac {9}{10}$​
​$ =\frac {1}{30}$​
​$ =\frac {14}{45}×18×\frac {10}{21}$​
​$ =\frac {28}{5}×\frac {10}{21}$​
​$ =\frac {8}{3}$​
​$ =\frac {21}{30}×6×\frac {5}{14}$​
​$ =\frac {21}{5}×\frac {5}{14}$​
​$ =\frac {3}{2}$​
80
40
10
625
75
7000
​$ \frac {3}{10}×5=\frac {3}{2}($​升​$)$​
​$ \frac {3}{2}$​升​$ <\frac {9}{5}$​升
答：​$5$​天不能喝完这瓶果汁​。​
​$ \frac {1}{8}×6×10=7\frac {1}{2}($​升​$)$​
答：​$10$​瓶这样的牛奶一共有​$7\frac {1}{2}$​升。
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