tính 24 + 76

\(\begin{array}{l}\underline { + \,\,\begin{array}{*{20}{c}}{24}\\{76}\end{array}} \\\,\,\,100\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{45}\\{16}\end{array}} \\\,\,\,\,29\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{38}\\{13}\end{array}} \\\,\,\,\,51\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{42}\\{38}\end{array}} \\\,\,\,\,\,\,\,4\end{array}\)