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곱셈: 2 x 2

1

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

2

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

3

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

4

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

5

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

6

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

7

		9	0
		6	0
			0
5	4	0	0
5	4	0	0

8

		3	8
		5	1
		3	8
1	9	0	0
1	9	3	8

9

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

10

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

11

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

12

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

13

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

14

		9	1
		1	0
			0
	9	1	0
	9	1	0

15

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

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