tính 26 + 39
35/44
\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{26}\\{39}\end{array}} \\\,\,\,\,65\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{15}\\{19}\end{array}} \\\,\,\,\,34\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{38}\\{52}\end{array}} \\\,\,\,\,90\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{79}\\{12}\end{array}} \\\,\,\,\,91\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{24}\\{28}\end{array}} \\\,\,\,\,52\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{38}\\{24}\end{array}} \\\,\,\,\,62\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{27}\\{38}\end{array}} \\\,\,\,\,65\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{14}\\{56}\end{array}} \\\,\,\,\,70\end{array}\) |