Ответ:
\(\frac{8}{15}\left(\frac{3}{8}+\frac{3}{8}\right)=\frac{8}{15}\cdot\frac{6}{8}=\frac{6}{15}=\frac{2}{5}\).
Ответ: \(\frac{2}{5}\).
\(\frac{8}{15}\left(\frac{3}{8}+\frac{3}{8}\right)=\frac{8}{15}\cdot\frac{6}{8}=\frac{6}{15}=\frac{2}{5}\).
Ответ: \(\frac{2}{5}\).