tính 712 + 16

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{712}\\{\,\,\,16}\end{array}} \\\,\,\,\,728\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{509}\\{350}\end{array}} \\\,\,\,\,859\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{215}\\{352}\end{array}} \\\,\,\,\,567\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{426}\\{\,\,\,32}\end{array}} \\\,\,\,\,458\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{157}\\{\,\,\,12}\end{array}} \\\,\,\,\,169\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{542}\\{253}\end{array}} \\\,\,\,\,795\end{array}\)