tính 36 + 38
21/44
\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{36}\\{38}\end{array}} \\\,\,\,\,74\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{27}\\{27}\end{array}} \\\,\,\,\,54\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{39}\\{24}\end{array}} \\\,\,\,\,63\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{13}\\{68}\end{array}} \\\,\,\,\,81\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{26}\\{35}\end{array}} \\\,\,\,\,61\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{68}\\{15}\end{array}} \\\,\,\,\,83\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{47}\\{19}\end{array}} \\\,\,\,\,66\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{11}\\{59}\end{array}} \\\,\,\,\,70\end{array}\) |