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곱셈: 2 x 23X3

1

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

2

		6	6
		2	0
			0
1	3	2	0
1	3	2	0

3

		2	0
		1	7
	1	4	0
	2	0	0
	3	4	0

4

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

5

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

6

		8	4
		4	1
		8	4
3	3	6	0
3	4	4	4

7

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

8

		3	8
		6	1
		3	8
2	2	8	0
2	3	1	8

9

		1	1
		6	2
		2	2
	6	6	0
	6	8	2

10

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

11

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

12

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

13

		9	1
		3	3
	2	7	3
2	7	3	0
3	0	0	3

14

		2	9
		7	1
		2	9
2	0	3	0
2	0	5	9

15

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

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