tính 493 + 85

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{493}\\{\,\,\,\,85}\end{array}} \\\,\,\,\,578\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{615}\\{129}\end{array}} \\\,\,\,\,744\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{176}\\{\,\,\,\,\,\,6}\end{array}} \\\,\,\,\,182\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{768}\\{202}\end{array}} \\\,\,\,\,970\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{879}\\{\,\,\,\,\,\,9}\end{array}} \\\,\,\,\,888\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{768}\\{\,\,\,22}\end{array}} \\\,\,\,\,790\end{array}\)