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곱셈: 2 x 2

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

		2	9
		5	0
			0
1	4	5	0
1	4	5	0

10

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

11

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

12

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

13

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

14

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

15

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

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