Условие:

Найди сумму.
84 + 48
75 + 87
94 + 39
60 + 45
17 + 89
28 + 82
49 + 67
34 + 66
624 + 9
7 + 136
5 + 375
999 + 1

84 + 48 = 132
75 + 87 = 162
94 + 39 = 133
60 + 45 = 105
17 + 89 = 106
28 + 82 = 110
49 + 67 = 116
34 + 66 = 100
624 + 9 = 633
7 + 136 = 143
5 + 375 = 380
999 + 1 = 1000
Вычисления:
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}84\\ 48\end{array}}\\ \begin{array}{r}132\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}75\\ 87\end{array}}\\ \begin{array}{r}162\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}94\\ 39\end{array}}\\ \begin{array}{r}133\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}60\\ 45\end{array}}\\ \begin{array}{r}105\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}17\\ 89\end{array}}\\ \begin{array}{r}106\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}28\\ 82\end{array}}\\ \begin{array}{r}110\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}49\\ 67\end{array}}\\ \begin{array}{r}116\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}34\\ 66\end{array}}\\ \begin{array}{r}100\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}624\\ 9\end{array}}\\ \begin{array}{r}633\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}7\\ 136\end{array}}\\ \begin{array}{r}143\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}5\\ 375\end{array}}\\ \begin{array}{r}380\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}999\\ 1\end{array}}\\ \begin{array}{r}1000\end{array}\end{array}$