tính 333 + 558

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{333}\\{558}\end{array}} \\\,\,\,\,891\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{871}\\{\,\,\,50}\end{array}} \\\,\,\,\,921\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{815}\\{\,\,\,\,\,\,8}\end{array}} \\\,\,\,\,823\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{187}\\{506}\end{array}} \\\,\,\,\,693\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{145}\\{326}\end{array}} \\\,\,\,\,471\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,73}\\{290}\end{array}} \\\,\,\,\,363\end{array}\)