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곱셈: 2 x 22X4

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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