Условие:

Вычисли.
35 + 55
29 + 11
17 + 71
39 + 39
62 + 18
77 + 13
52 + 48
46 + 18
41 + 34 − 34
53 + 29 + 0
37 + 46 − 0
27 − 16 + 16

35 + 55 = 90
29 + 11 = 40
17 + 71 = 88
39 + 39 = 78
62 + 18 = 80
77 + 13 = 90
52 + 48 = 100
46 + 18 = 64
41 + 34 − 34 = 75 − 34 = 41
53 + 29 + 0 = 82 + 0 = 82
37 + 46 − 0 = 83 − 0 = 83
27 − 16 + 16 = 11 + 16 = 27
Вычисления:
35 + 55 = 90
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}35\\ 55\end{array}}\\ \begin{array}{r}90\end{array}\end{array}$
29 + 11 = 40
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}29\\ 11\end{array}}\\ \begin{array}{r}40\end{array}\end{array}$
17 + 71 = 88
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}17\\ 71\end{array}}\\ \begin{array}{r}88\end{array}\end{array}$
39 + 39 = 78
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}39\\ 39\end{array}}\\ \begin{array}{r}78\end{array}\end{array}$
62 + 18 = 80
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}62\\ 18\end{array}}\\ \begin{array}{r}80\end{array}\end{array}$
77 + 13 = 90
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}77\\ 13\end{array}}\\ \begin{array}{r}90\end{array}\end{array}$
52 + 48 = 100
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}52\\ 48\end{array}}\\ \begin{array}{r}100\end{array}\end{array}$
46 + 18 = 64
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}46\\ 18\end{array}}\\ \begin{array}{r}64\end{array}\end{array}$
41 + 34 − 34 = 75 − 34 = 41
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}41\\ 34\end{array}}\\ \begin{array}{r}75\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}75\\ 34\end{array}}\\ \begin{array}{r}41\end{array}\end{array}$
53 + 29 + 0 = 82 + 0 = 82
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}53\\ 29\end{array}}\\ \begin{array}{r}82\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}82\\ 0\end{array}}\\ \begin{array}{r}82\end{array}\end{array}$
37 + 46 − 0 = 83 − 0 = 83
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}37\\ 46\end{array}}\\ \begin{array}{r}83\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}83\\ 0\end{array}}\\ \begin{array}{r}83\end{array}\end{array}$
27 − 16 + 16 = 11 + 16 = 27
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}27\\ 16\end{array}}\\ \begin{array}{r}11\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}11\\ 16\end{array}}\\ \begin{array}{r}27\end{array}\end{array}$