tính 34 + 18
\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{34}\\{18}\end{array}} \\\,\,\,\,52\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{79}\\{13}\end{array}} \\\,\,\,\,92\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{47}\\{43}\end{array}} \\\,\,\,\,90\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{35}\\{15}\end{array}} \\\,\,\,\,50\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{66}\\{24}\end{array}} \\\,\,\,\,90\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{25}\\{46}\end{array}} \\\,\,\,\,71\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{68}\\{17}\end{array}} \\\,\,\,\,85\end{array}\) | \(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{48}\\{42}\end{array}} \\\,\,\,\,90\end{array}\) |
