Ответы: 160, 328, 78, 57, 41, 23, 323, 64.
Вычисления:
120 + 40 = 160
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}120\\ 40\end{array}}\\ \begin{array}{r}160\end{array}\end{array}$
28 + 300 = 328
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}28\\ 300\end{array}}\\ \begin{array}{r}328\end{array}\end{array}$
72 + 6 = 78
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}72\\ 6\end{array}}\\ \begin{array}{r}78\end{array}\end{array}$
48 + 9 = 57
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}48\\ 9\end{array}}\\ \begin{array}{r}57\end{array}\end{array}$
36 + 5 = 41
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}36\\ 5\end{array}}\\ \begin{array}{r}41\end{array}\end{array}$
16 + 7 = 23
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}16\\ 7\end{array}}\\ \begin{array}{r}23\end{array}\end{array}$
320 + 3 = 323
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}320\\ 3\end{array}}\\ \begin{array}{r}323\end{array}\end{array}$
56 + 8 = 64
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}56\\ 8\end{array}}\\ \begin{array}{r}64\end{array}\end{array}$