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곱셈: 2 x 2

1

		4	0
		5	5
	2	0	0
2	0	0	0
2	2	0	0

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

		9	7
		4	0
			0
3	8	8	0
3	8	8	0

10

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

11

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

12

		4	3
		1	1
		4	3
	4	3	0
	4	7	3

13

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

14

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

15

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

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