tính 485 + 105

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{485}\\{105}\end{array}} \\\,\,\,\,590\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{317}\\{180}\end{array}} \\\,\,\,\,137\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{564}\\{116}\end{array}} \\\,\,\,\,680\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{212}\\{\,\,\,60}\end{array}} \\\,\,\,\,152\end{array}\)