411 − 6 = 405
512 − 8 = 504
150 + 75 = 225
229 + 18 = 247
150 * 4 = 600
250 * 2 = 500
207 * 4 = 828
405 * 2 = 810
Результаты в порядке увеличения: 225, 247, 405, 500, 504, 600, 810, 828.
Вычисления:
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}150\\ 75\end{array}}\\ \begin{array}{r}225\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}229\\ 18\end{array}}\\ \begin{array}{r}247\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}*\end{array}\underline{\begin{array}{r}150\\ 4\end{array}}\\ \begin{array}{r}600\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}*\end{array}\underline{\begin{array}{r}250\\ 2\end{array}}\\ \begin{array}{r}500\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}*\end{array}\underline{\begin{array}{r}207\\ 4\end{array}}\\ \begin{array}{r}828\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}*\end{array}\underline{\begin{array}{r}405\\ 2\end{array}}\\ \begin{array}{r}810\end{array}\end{array}$