Ответ:
\(3\frac{11}{15}=\frac{56}{15}\).
\(\frac{56}{15}:\frac{4}{5}=\frac{56}{15}\cdot\frac{5}{4}=\frac{14}{3}\).
\(\frac{14}{3}+\frac{1}{3}=5\).
Ответ: 5.
\(3\frac{11}{15}=\frac{56}{15}\).
\(\frac{56}{15}:\frac{4}{5}=\frac{56}{15}\cdot\frac{5}{4}=\frac{14}{3}\).
\(\frac{14}{3}+\frac{1}{3}=5\).
Ответ: 5.