tính 26 + 68
33/44
\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{26}\\{68}\end{array}} \\\,\,\,\,94\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{19}\\{71}\end{array}} \\\,\,\,\,90\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{31}\\{19}\end{array}} \\\,\,\,\,50\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{19}\\{55}\end{array}} \\\,\,\,\,74\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{19}\\{56}\end{array}} \\\,\,\,\,75\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{79}\\{13}\end{array}} \\\,\,\,\,92\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{26}\\{17}\end{array}} \\\,\,\,\,43\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{12}\\{29}\end{array}} \\\,\,\,\,41\end{array}\) |