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곱셈: 2 x 22X4

1

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

2

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

3

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

4

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

5

		5	8
		4	9
	5	2	2
2	3	2	0
2	8	4	2

6

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

7

		2	5
		2	8
	2	0	0
	5	0	0
	7	0	0

8

		3	5
		2	3
	1	0	5
	7	0	0
	8	0	5

9

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

10

		6	7
		6	0
			0
4	0	2	0
4	0	2	0

11

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

12

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

13

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

14

		6	7
		5	3
	2	0	1
3	3	5	0
3	5	5	1

15

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

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