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곱셈: 3 x 23X5

1

		3	5	9
			5	1
		3	5	9
1	7	9	5	0
1	8	3	0	9

2

		7	2	8
			3	2
	1	4	5	6
2	1	8	4	0
2	3	2	9	6

3

		8	7	3
			3	1
		8	7	3
2	6	1	9	0
2	7	0	6	3

4

		2	4	8
			1	8
	1	9	8	4
	2	4	8	0
	4	4	6	4

5

		6	3	4
			3	0
				0
1	9	0	2	0
1	9	0	2	0

6

		2	2	0
			2	2
		4	4	0
	4	4	0	0
	4	8	4	0

7

		7	1	0
			4	9
	6	3	9	0
2	8	4	0	0
3	4	7	9	0

8

		7	1	7
			4	4
	2	8	6	8
2	8	6	8	0
3	1	5	4	8

9

		8	9	4
			7	2
	1	7	8	8
6	2	5	8	0
6	4	3	6	8

10

		2	5	9
			5	9
	2	3	3	1
1	2	9	5	0
1	5	2	8	1

11

		7	1	0
			8	3
	2	1	3	0
5	6	8	0	0
5	8	9	3	0

12

		7	5	2
			6	0
				0
4	5	1	2	0
4	5	1	2	0

13

		5	0	3
			4	2
	1	0	0	6
2	0	1	2	0
2	1	1	2	6

14

		8	8	2
			5	6
	5	2	9	2
4	4	1	0	0
4	9	3	9	2

15

		2	2	8
			4	4
		9	1	2
	9	1	2	0
1	0	0	3	2

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