tính 724 -180

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{724}\\{180}\end{array}} \\\,\,\,\,544\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{125}\\{529}\end{array}} \\\,\,\,\,654\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{417}\\{155}\end{array}} \\\,\,\,\,262\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{367}\\{\,\,\,18}\end{array}} \\\,\,\,\,385\end{array}\)