tính 476 + 204

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{476}\\{204}\end{array}} \\\,\,\,\,680\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{435}\\{215}\end{array}} \\\,\,\,\,650\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{627}\\{148}\end{array}} \\\,\,\,\,775\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{639}\\{142}\end{array}} \\\,\,\,\,781\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{607}\\{134}\end{array}} \\\,\,\,\,741\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{365}\\{\,\,\,71}\end{array}} \\\,\,\,\,436\end{array}\)