Решение:
\(
\begin{array}{r} - \begin{array}{l} 485406 \\ 48 \end{array} \\ \hline \begin{array}{r} 05 \\ - \begin{array}{l} 0 \end{array} \\ \hline 54 \\ - \begin{array}{l} 54 end{array} \\ \hline 00 \\ - \begin{array}{l} 0 \end{array} \\ \hline 06 \\ - \begin{array}{l} 6 \end{array} \\ \hline 0 \end{array}
\end{array} \qquad \begin{array}{l} \\ 80901
\end{array}
\)
Ответ: 80901