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곱셈: 2 x 22X4

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

		3	6
		2	2
		7	2
	7	2	0
	7	9	2

10

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

11

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

12

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

13

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

14

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

15

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

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