tính 888 + 40

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{888}\\{\,\,\,40}\end{array}} \\\,\,\,\,928\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{748}\\{\,\,\,81}\end{array}} \\\,\,\,\,667\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{159}\\{211}\end{array}} \\\,\,\,\,370\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{236}\\{\,\,\,82}\end{array}} \\\,\,\,\,154\end{array}\)