68 + 29 = ...	86 + 9 = ...	38 + 55 = ...	78 + 13 = ...
28 + 27 = ...	29 + 34 = ...	39 + 5 = ...	39 + 28 = ...
37 + 38 = ...	37 + 24 = ...	16 + 16 = ...	27 + 6 = ...
58 + 27 = ...	65 + 28 = ...	18 + 26 = ...	32 + 19 = ...
34 + 29 = ...	25 + 56 = ...	38 + 35 = ...	45 + 39 = ...

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{49}\\{\,\,\,3}\end{array}} \\\,\,\,\,52\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{79}\\{\,\,\,4}\end{array}} \\\,\,\,\,\,83\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{37}\\{\,\,\,7}\end{array}} \\\,\,\,\,44\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{88}\\{\,\,\,9}\end{array}} \\\,\,\,\,97\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{29}\\{\,\,\,8}\end{array}} \\\,\,\,\,37\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{33}\\{\,\,\,9}\end{array}} \\\,\,\,\,42\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{76}\\{\,\,\,5}\end{array}} \\\,\,\,\,\,81\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{67}\\{\,\,\,6}\end{array}} \\\,\,\,\,73\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{48}\\{36}\end{array}} \\\,\,\,\,84\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{27}\\{33}\end{array}} \\\,\,\,\,60\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{39}\\{27}\end{array}} \\\,\,\,\,66\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{24}\\{39}\end{array}} \\\,\,\,\,63\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{79}\\{19}\end{array}} \\\,\,\,\,98\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{23}\\{39}\end{array}} \\\,\,\,\,62\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{54}\\{18}\end{array}} \\\,\,\,\,72\end{array}\)

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{78}\\{12}\end{array}} \\\,\,\,\,90\end{array}\)