1. $174 : 20$
$$\begin{array}{ccc|l}
1 & 7 & 4 & 20 \\
\hline
1 & 6 & 0 & 8 \\
\hline
& 1 & 4
\end{array}$$
$174 = 20 \times 8 + 14$
Проверка: $20 \times 8 + 14 = 160 + 14 = 174$
2. $925 : 30$
$$\begin{array}{ccc|l}
9 & 2 & 5 & 30 \\
\hline
9 & 0 & & 30 \\
\hline
& 2 & 5
\end{array}$$
$925 = 30 \times 30 + 25$
Проверка: $30 \times 30 + 25 = 900 + 25 = 925$
3. $830 : 40$
$$\begin{array}{ccc|l}
8 & 3 & 0 & 40 \\
\hline
8 & 0 & & 20 \\
\hline
& 3 & 0
\end{array}$$
$830 = 40 \times 20 + 30$
Проверка: $40 \times 20 + 30 = 800 + 30 = 830$
4. $9184 : 30$
$$\begin{array}{cccc|l}
9 & 1 & 8 & 4 & 30 \\
\hline
9 & 0 & & & 306 \\
\hline
& 1 & 8 \\
& & 0 \\
\hline
& 1 & 8 & 4 \\
& 1 & 8 & 0 \\
\hline
& & & 4
\end{array}$$
$9184 = 30 \times 306 + 4$
Проверка: $30 \times 306 + 4 = 9180 + 4 = 9184$
5. $1725 : 20$
$$\begin{array}{cccc|l}
1 & 7 & 2 & 5 & 20 \\
\hline
1 & 6 & 0 & & 86 \\
\hline
& 1 & 2 & 5 \\
& 1 & 2 & 0 \\
\hline
& & & 5
\end{array}$$
$1725 = 20 \times 86 + 5$
Проверка: $20 \times 86 + 5 = 1720 + 5 = 1725$
6. $5138 : 50$
$$\begin{array}{cccc|l}
5 & 1 & 3 & 8 & 50 \\
\hline
5 & 0 & & & 102 \\
\hline
& 1 & 3 \\
& & 0 \\
\hline
& 1 & 3 & 8 \\
& 1 & 0 & 0 \\
\hline
& & 3 & 8
\end{array}$$
$5138 = 50 \times 102 + 38$
Проверка: $50 \times 102 + 38 = 5100 + 38 = 5138$
7. $59200 : 30$
$$\begin{array}{ccccc|l}
5 & 9 & 2 & 0 & 0 & 30 \\
\hline
3 & 0 & & & & 1973 \\
\hline
2 & 9 & 2 \\
2 & 7 & 0 \\
\hline
& 2 & 2 & 0 \\
& 2 & 1 & 0 \\
\hline
& & 1 & 0 & 0 \\
& & & 9 & 0 \\
\hline
& & & 1 & 0
\end{array}$$
$59200 = 30 \times 1973 + 10$
Проверка: $30 \times 1973 + 10 = 59190 + 10 = 59200$
8. $30756 : 20$
$$\begin{array}{ccccc|l}
3 & 0 & 7 & 5 & 6 & 20 \\
\hline
2 & 0 & & & & 1537 \\
\hline
1 & 0 & 7 \\
1 & 0 & 0 \\
\hline
& & 7 & 5 \\
& & 6 & 0 \\
\hline
& & 1 & 5 & 6 \\
& & 1 & 4 & 0 \\
\hline
& & & 1 & 6
\end{array}$$
$30756 = 20 \times 1537 + 16$
Проверка: $20 \times 1537 + 16 = 30740 + 16 = 30756$
9. $99400 : 60$
$$\begin{array}{ccccc|l}
9 & 9 & 4 & 0 & 0 & 60 \\
\hline
6 & 0 & & & & 1656 \\
\hline
3 & 9 & 4 \\
3 & 6 & 0 \\
\hline
& 3 & 4 & 0 \\
& 3 & 0 & 0 \\
\hline
& & 4 & 0 & 0 \\
& & 3 & 6 & 0 \\
\hline
& & & 4 & 0
\end{array}$$
$99400 = 60 \times 1656 + 40$
Проверка: $60 \times 1656 + 40 = 99360 + 40 = 99400$
10. $612040 : 50$
$$\begin{array}{cccccc|l}
6 & 1 & 2 & 0 & 4 & 0 & 50 \\
\hline
5 & 0 & & & & & 12240 \\
\hline
1 & 1 & 2 \\
1 & 0 & 0 \\
\hline
& 1 & 2 & 0 \\
& 1 & 0 & 0 \\
\hline
& & 2 & 0 & 4 \\
& & 2 & 0 & 0 \\
\hline
& & & & 4 & 0 \\
& & & & 0 & 0 \\
\hline
& & & & 4 & 0
\end{array}$$
$612040 = 50 \times 12240 + 40$
Проверка: $50 \times 12240 + 40 = 612000 + 40 = 612040$
11. $225524 : 40$
$$\begin{array}{cccccc|l}
2 & 2 & 5 & 5 & 2 & 4 & 40 \\
\hline
2 & 0 & 0 & & & & 5638 \\
\hline
& 2 & 5 & 5 \\
& 2 & 4 & 0 \\
\hline
& & 1 & 5 & 2 \\
& & 1 & 2 & 0 \\
\hline
& & & 3 & 2 & 4 \\
& & & 3 & 2 & 0 \\
\hline
& & & & & 4
\end{array}$$
$225524 = 40 \times 5638 + 4$
Проверка: $40 \times 5638 + 4 = 225520 + 4 = 225524$
12. $154300 : 80$
$$\begin{array}{cccccc|l}
1 & 5 & 4 & 3 & 0 & 0 & 80 \\
\hline
8 & 0 & & & & & 1928 \\
\hline
7 & 4 & 3 \\
7 & 2 & 0 \\
\hline
& 2 & 3 & 0 \\
& 1 & 6 & 0 \\
\hline
& & 7 & 0 & 0 \\
& & 6 & 4 & 0 \\
\hline
& & & 6 & 0
\end{array}$$
$154300 = 80 \times 1928 + 60$
Проверка: $80 \times 1928 + 60 = 154240 + 60 = 154300$