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\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{42}\\{17}\end{array}} \\\,\,\,\,25\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{96}\\{79}\end{array}} \\\,\,\,\,17\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{72}\\{33}\end{array}} \\\,\,\,\,39\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{45}\\{26}\end{array}} \\\,\,\,\,19\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{50}\\{14}\end{array}} \\\,\,\,\,36\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{30}\\{12}\end{array}} \\\,\,\,\,18\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{53}\\{26}\end{array}} \\\,\,\,\,27\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{87}\\{78}\end{array}} \\\,\,\,\,\,\,\,9\end{array}\)