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곱셈: 2 x 22X4

1

		2	4
		1	1
		2	4
	2	4	0
	2	6	4

2

		3	7
		2	4
	1	4	8
	7	4	0
	8	8	8

3

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

4

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

5

		5	2
		4	4
	2	0	8
2	0	8	0
2	2	8	8

6

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

7

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

8

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

9

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

10

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

11

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

12

		1	0
		4	1
		1	0
	4	0	0
	4	1	0

13

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

14

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

15

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

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