23 + 6 = 29
98 − 5 = 93
58 + 1 = 59
76 − 4 = 72
8 + 31 = 39
4 + 53 = 57
0 + 50 = 50
71 − 0 = 71
29 + 40 = 69
40 − 30 = 10
64 − 63 = 1
40 + 40 = 80
80 − 70 = 10
99 − 99 = 0
23 + 32 = 55
33 + 33 = 66
Вычисления:
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}23\\ 6\end{array}}\\ \begin{array}{r}29\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}98\\ 5\end{array}}\\ \begin{array}{r}93\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}58\\ 1\end{array}}\\ \begin{array}{r}59\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}76\\ 4\end{array}}\\ \begin{array}{r}72\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}8\\ 31\end{array}}\\ \begin{array}{r}39\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}4\\ 53\end{array}}\\ \begin{array}{r}57\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}71\\ 0\end{array}}\\ \begin{array}{r}71\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}29\\ 40\end{array}}\\ \begin{array}{r}69\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}40\\ 30\end{array}}\\ \begin{array}{r}10\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}64\\ 63\end{array}}\\ \begin{array}{r}1\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}40\\ 40\end{array}}\\ \begin{array}{r}80\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}80\\ 70\end{array}}\\ \begin{array}{r}10\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}99\\ 99\end{array}}\\ \begin{array}{r}0\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}23\\ 32\end{array}}\\ \begin{array}{r}55\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}33\\ 33\end{array}}\\ \begin{array}{r}66\end{array}\end{array}$