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

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

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

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

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

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

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

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

39 + 24 = 63

34 + 48 = 82

19 + 27 = 46

37 + 38 = 75

42 + 28 = 70

69 + 14 = 83

37 + 26 = 63

48 + 12 = 60

38 + 42 = 80

15 + 15 = 30

64 + 18 = 82

26 + 38 = 64

25 + 18 = 43

28 + 15 = 43

19 + 14 = 33

68 + 4 = 72

15 + 45 = 60

35 + 55 = 90

11 + 79 = 90

54 + 19 = 73