\(\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{72}\\{19}\end{array}}\\\hline{\,\,\,53}\end{array}\) \(\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{60}\\{28}\end{array}}\\\hline{\,\,\,32}\end{array}\)
\(\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{93}\\{46}\end{array}}\\\hline{\,\,\,47}\end{array}\) \(\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{41}\\{32}\end{array}}\\\hline{\,\,\,\,\,\,9}\end{array}\)