Ответ:
\(\left(\frac{18}{38}-\frac{17}{38}\right):\frac{5}{19}=\frac{1}{38}\cdot\frac{19}{5}=\frac{1}{10}\).
Ответ: \(\frac{1}{10}\).
\(\left(\frac{18}{38}-\frac{17}{38}\right):\frac{5}{19}=\frac{1}{38}\cdot\frac{19}{5}=\frac{1}{10}\).
Ответ: \(\frac{1}{10}\).