\[\boxed{\mathbf{841\ (841)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[542;\ 524;\ \ 452;\ \ 425;\ \ 254;\ \ \]
\[245.\]
\[\boxed{\ \mathbf{841}\mathbf{\ (693)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[A\left( \frac{1}{9} \right);\ \ B\left( \frac{2}{9} \right);\ \ C\left( \frac{4}{9} \right);\ \ D\left( \frac{5}{9} \right);\ \ \]
\[E\left( \frac{8}{9} \right).\]