4 512 + 52 341

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,4\,\,512}\\{52\,\,341}\end{array}} \\\,\,\,\,56\,\,853\end{array}\]

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,\,\,\,\,\,789}\\{67\,\,234}\end{array}} \\\,\,\,\,68\,\,023\end{array}\]

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,6\,\,789}\\{31\,\,245}\end{array}} \\\,\,\,\,38\,\,034\end{array}\]

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,\,\,\,\,\,234}\\{87\,\,561}\end{array}} \\\,\,\,\,\,87\,\,795\end{array}\]

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,\,1\,\,234}\\{78\,\,456}\end{array}} \\\,\,\,\,\,79\,\,690\end{array}\]

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,\,\,\,\,\,567}\\{64\,\,321}\end{array}} \\\,\,\,\,\,64\,\,888\end{array}\]

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,8\,\,901}\\{24\,\,567}\end{array}} \\\,\,\,\,33\,\,468\end{array}\]

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,\,\,\,\,\,345}\\{95\,\,678}\end{array}} \\\,\,\,\,96\,\,023\end{array}\]

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,5\,\,678}\\{43\,\,210}\end{array}} \\\,\,\,\,48\,\,888\end{array}\]

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,\,\,\,678}\\{72\,\,134}\end{array}} \\\,\,\,\,72\,\,812\end{array}\]

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,2\,\,345}\\{65\,\,432}\end{array}} \\\,\,\,\,67\,\,777\end{array}\]

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,\,\,\,\,\,123}\\{98\,\,765}\end{array}} \\\,\,\,\,98\,\,888\end{array}\]

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,7\,\,890}\\{12\,\,345}\end{array}} \\\,\,\,20\,\,235\end{array}\]

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,\,\,\,\,456}\\{87\,\,654}\end{array}} \\\,\,\,\,88\,\,110\end{array}\]

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,3\,\,456}\\{87\,\,654}\end{array}} \\\,\,\,\,\,91\,\,110\end{array}\]

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,\,\,\,\,789}\\{65\,\,432}\end{array}} \\\,\,\,\,66\,\,221\end{array}\]