364 − 191 = 173
243 − 162 = 81
627 − 266 = 361
938 − 52 = 886
429 − 87 = 342
813 − 20 = 793
Вычисления:
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}364\\ 191\end{array}}\\ \begin{array}{r}173\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}243\\ 162\end{array}}\\ \begin{array}{r}81\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}627\\ 266\end{array}}\\ \begin{array}{r}361\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}938\\ 52\end{array}}\\ \begin{array}{r}886\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}429\\ 87\end{array}}\\ \begin{array}{r}342\end{array}\end{array}$
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}813\\ 20\end{array}}\\ \begin{array}{r}793\end{array}\end{array}$