Ответ:
\(0{,}8=\dfrac{4}{5}\), а \(1+\dfrac{1}{7}=\dfrac{8}{7}\).
\(\dfrac{0{,}8}{1+\dfrac{1}{7}}=\dfrac{4}{5}:\dfrac{8}{7}=\dfrac{4}{5}\cdot\dfrac{7}{8}=\dfrac{7}{10}=0{,}7\).
Ответ: 0,7.
\(0{,}8=\dfrac{4}{5}\), а \(1+\dfrac{1}{7}=\dfrac{8}{7}\).
\(\dfrac{0{,}8}{1+\dfrac{1}{7}}=\dfrac{4}{5}:\dfrac{8}{7}=\dfrac{4}{5}\cdot\dfrac{7}{8}=\dfrac{7}{10}=0{,}7\).
Ответ: 0,7.