đặt tính rồi tính 18 + 6
2/44
\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{18}\\{\,\,\,6}\end{array}} \\\,\,\,\,24\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{64}\\{\,\,\,9}\end{array}} \\\,\,\,\,73\end{array}\) | \[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{27}\\{\,\,\,8}\end{array}} \\\,\,\,\,35\end{array}\] | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{68}\\{\,\,\,5}\end{array}} \\\,\,\,\,73\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{28}\\{\,\,\,8}\end{array}} \\\,\,\,\,36\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{17}\\{\,\,\,9}\end{array}} \\\,\,\,\,26\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{65}\\{\,\,\,9}\end{array}} \\\,\,\,\,74\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{17}\\{\,\,\,5}\end{array}} \\\,\,\,\,22\end{array}\) |