Ответ:
\(12\frac{3}{5}:(-8\frac{2}{7})=\frac{63}{5}:-\frac{58}{7}=\frac{63}{5}\cdot\left(-\frac{7}{58}\right)=-\frac{441}{290}=-1\frac{151}{290}\).
Ответ: \(-1\frac{151}{290}\).
\(12\frac{3}{5}:(-8\frac{2}{7})=\frac{63}{5}:-\frac{58}{7}=\frac{63}{5}\cdot\left(-\frac{7}{58}\right)=-\frac{441}{290}=-1\frac{151}{290}\).
Ответ: \(-1\frac{151}{290}\).