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곱셈: 2 x 22X4

1

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

2

		7	4
		5	3
	2	2	2
3	7	0	0
3	9	2	2

3

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

4

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

5

		1	5
		9	3
		4	5
1	3	5	0
1	3	9	5

6

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

7

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

8

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

9

		5	1
		4	1
		5	1
2	0	4	0
2	0	9	1

10

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

11

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

12

		7	4
		1	0
			0
	7	4	0
	7	4	0

13

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

14

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

15

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

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