31 : 7 = 4 (остаток 3)
Проверка:
3 < 7;
4 * 7 = 28;
28 + 3 = 31.
 
5 : 8 = 0 (остаток 5)
Проверка:
5 < 8;
0 * 8 = 0;
0 + 5 = 5.
 
60 : 24 = 2 (остаток 12)
Проверка:
12 < 24;
2 * 24 = 48;
48 + 12 = 60.
 
40 : 12 = 3 (остаток 4)
Проверка:
3 < 12;
3 * 12 = 36;
36 + 4 = 40.
 
80 : 60 = 1 (остаток 20)
Проверка:
20 < 60;
1 * 60 = 60;
60 + 20 = 80.
 
95 : 30 = 3 (остаток 5)
Проверка:
5 < 30;
3 * 30 = 90;
90 + 5 = 95.
 
274 : 5 = 54 (остаток 4)
$\begin{array}{cc}\begin{array}{l}\underset{¯}{\phantom{0}}274\\ \phantom{0}\underset{¯}{25}\\ \phantom{0}\underset{¯}{\phantom{0}}24\\ \phantom{00}\underset{¯}{20}\\ \phantom{000}4\end{array}& \begin{array}{l}\overline{)5}\\ \overline{\overline{)54}}\end{array}\end{array}$
Проверка:
4 < 5;
$\begin{array}{r}\times \underset{¯}{\begin{array}{r}54\\ 5\end{array}}\\ 270\end{array}$;
270 + 4 = 274.
 
832 : 7 = 118 (остаток 6)
$\begin{array}{cc}\begin{array}{l}\underset{¯}{\phantom{0}}832\\ \phantom{0}\underset{¯}{7}\\ \underset{¯}{\phantom{0}}13\\ \phantom{00}\underset{¯}{7}\\ \phantom{0}\underset{¯}{\phantom{0}}62\\ \phantom{00}\underset{¯}{56}\\ \phantom{000}6\end{array}& \begin{array}{l}\overline{)7}\\ \overline{\overline{)118}}\end{array}\end{array}$
Проверка:
6 < 7;
$\begin{array}{r}\times \underset{¯}{\begin{array}{r}118\\ 7\end{array}}\\ 826\end{array}$;
826 + 6 = 832.
 
607 : 8 = 75 (остаток 7)
$\begin{array}{cc}\begin{array}{l}\underset{¯}{\phantom{0}}607\\ \phantom{0}\underset{¯}{56}\\ \phantom{0}\underset{¯}{\phantom{0}}47\\ \phantom{00}\underset{¯}{40}\\ \phantom{000}7\end{array}& \begin{array}{l}\overline{)8}\\ \overline{\overline{)75}}\end{array}\end{array}$
Проверка:
7 < 8;
$\begin{array}{r}\times \underset{¯}{\begin{array}{r}75\\ 8\end{array}}\\ 600\end{array}$;
600 + 7 = 607.
 
809 : 9 = 89 (остаток 8)
$\begin{array}{cc}\begin{array}{l}\underset{¯}{\phantom{0}}809\\ \phantom{0}\underset{¯}{72}\\ \phantom{0}\underset{¯}{\phantom{0}}89\\ \phantom{00}\underset{¯}{81}\\ \phantom{000}8\end{array}& \begin{array}{l}\overline{)9}\\ \overline{\overline{)89}}\end{array}\end{array}$
Проверка:
8 < 9;
$\begin{array}{r}\times \underset{¯}{\begin{array}{r}89\\ 9\end{array}}\\ 801\end{array}$;
801 + 8 = 809.