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곱셈: 2 x 22X4

1

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

2

		6	5
		4	4
	2	6	0
2	6	0	0
2	8	6	0

3

		1	4
		3	0
			0
	4	2	0
	4	2	0

4

		7	5
		4	8
	6	0	0
3	0	0	0
3	6	0	0

5

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

6

		6	3
		1	6
	3	7	8
	6	3	0
1	0	0	8

7

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

8

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

9

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

10

		5	6
		1	8
	4	4	8
	5	6	0
1	0	0	8

11

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

12

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

13

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

14

		4	5
		4	1
		4	5
1	8	0	0
1	8	4	5

15

		2	0
		3	4
		8	0
	6	0	0
	6	8	0

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