tính 64 + 18
20/44
\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{64}\\{18}\end{array}} \\\,\,\,\,82\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{29}\\{33}\end{array}} \\\,\,\,\,62\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{26}\\{17}\end{array}} \\\,\,\,\,43\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{18}\\{18}\end{array}} \\\,\,\,\,36\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{14}\\{16}\end{array}} \\\,\,\,\,30\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{34}\\{57}\end{array}} \\\,\,\,\,91\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{29}\\{25}\end{array}} \\\,\,\,\,54\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{42}\\{48}\end{array}} \\\,\,\,\,90\end{array}\) |