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곱셈: 2 x 2

1

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

2

		6	0
		1	6
	3	6	0
	6	0	0
	9	6	0

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

		3	0
		5	7
	2	1	0
1	5	0	0
1	7	1	0

15

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

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