Вопрос:

Ответ:

\[*\ \ :a^{6} \cdot a^{5} = a^{9}\]

\[*\ \ :a^{6} = a^{9}\ :a^{5}\]

\[*\ \ :a^{6} = a^{4}\]

\[*\ = a^{4} \cdot a^{6}\]

\[*\ = a^{10}.\]