Ответ:
\[\frac{14}{25}\cdot\frac{7}{45}=\frac{98}{1125}.\]
\[\frac{98}{1125}-3=\frac{98-3375}{1125}=-\frac{3277}{1125}.\]
Ответ: \(-\frac{3277}{1125}\).
\[\frac{14}{25}\cdot\frac{7}{45}=\frac{98}{1125}.\]
\[\frac{98}{1125}-3=\frac{98-3375}{1125}=-\frac{3277}{1125}.\]
Ответ: \(-\frac{3277}{1125}\).