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곱셈: 2 x 22X4

1

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

2

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

3

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

4

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

5

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

6

		2	0
		9	3
		6	0
1	8	0	0
1	8	6	0

7

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

8

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

9

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

10

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

11

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

12

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

13

		6	5
		1	7
	4	5	5
	6	5	0
1	1	0	5

14

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

15

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

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