tính 316 - 85
Giải thích
\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{316}\\{\,\,\,85}\end{array}} \\\,\,\,\,231\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{505}\\{194}\end{array}} \\\,\,\,\,311\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{764}\\{581}\end{array}} \\\,\,\,\,183\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{793}\\{367}\end{array}} \\\,\,\,\,426\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{836}\\{571}\end{array}} \\\,\,\,\,265\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{561}\\{\,\,\,42}\end{array}} \\\,\,\,\,519\end{array}\) |