第34页

信息发布者:
5
12
12
7
$\frac{5}{7}$
10
7
5
2
$\frac{7}{25}$
$\frac{1}{15}$
$\frac{17}{30}$
20
$\frac{7}{10}$
2
$\frac{10}{3}$
$\frac{1}{2}$
$\frac{3}{10}$
$\frac{4}{5}$
$\frac{5}{6}$
$\frac{5}{9}$
$\frac{15}{32}$
$\begin {aligned}解: x&=\frac {1}{2}÷3\\x &=\frac {1}{6}\end {aligned}$
$\begin {aligned}解: x&=\frac {4}{15}÷\frac {2}{5}\\x &=\frac {2}{3}\end {aligned}$
$\begin {aligned}解: x&=\frac {3}{8}÷\frac {9}{48}\\x &=2\end {aligned}$