67 123 + 21 894

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{67\,\,123}\\{21\,\,894}\end{array}} \\\,\,\,\,89\,\,017\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{48\,\,723}\\{31\,\,256}\end{array}} \\\,\,\,\,79\,\,979\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{65\,\,914}\\{23\,\,847}\end{array}} \\\,\,\,\,89\,\,761\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{78\,\,156}\\{14\,\,239}\end{array}} \\\,\,\,\,92\,\,395\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{73\,\,245}\\{16\,\,489}\end{array}} \\\,\,\,\,89\,\,734\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{35\,\,128}\\{58\,\,764}\end{array}} \\\,\,\,\,93\,\,892\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{84\,\,712}\\{13\,\,956}\end{array}} \\\,\,\,\,98\,\,668\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{46\,\,789}\\{42\,\,135}\end{array}} \\\,\,\,\,88\,\,924\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{29\,\,145}\\{68\,\,723}\end{array}} \\\,\,\,\,97\,\,868\end{array}\)

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{57\,\,321}\\{34\,\,678}\end{array}} \\\,\,\,\,\,91\,\,999\end{array}\]

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{36\,\,578}\\{52\,\,134}\end{array}} \\\,\,\,\,88\,\,712\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{69\,\,412}\\{23\,\,789}\end{array}} \\\,\,\,\,93\,\,201\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{47\,\,823}\\{41\,\,956}\end{array}} \\\,\,\,\,89\,\,779\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{14\,\,256}\\{78\,\,934}\end{array}} \\\,\,\,\,\,93\,\,190\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{91\,\,345}\\{10\,\,823}\end{array}} \\\,102\,\,168\end{array}\)

\[\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{32\,\,567}\\{56\,\,489}\end{array}} \\\,\,\,\,89\,\,056\end{array}\]