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곱셈: 2 x 2

1

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

2

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

3

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

4

		5	7
		1	0
			0
	5	7	0
	5	7	0

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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