Разность чисел:
524 − 368 = 156
333 − 222 = 111
817 − 649 = 168
540 − 534 = 6
920 − 350 = 570
325 − 115 = 210
Вычисления:
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}524\\ 368\end{array}}\\ \begin{array}{r}156\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}333\\ 222\end{array}}\\ \begin{array}{r}111\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}817\\ 649\end{array}}\\ \begin{array}{r}168\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}540\\ 534\end{array}}\\ \begin{array}{r}6\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}920\\ 350\end{array}}\\ \begin{array}{r}570\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}325\\ 115\end{array}}\\ \begin{array}{r}210\end{array}\end{array}$