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곱셈: 2 x 2

1

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

2

		8	0
		5	0
			0
4	0	0	0
4	0	0	0

3

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

4

		8	1
		8	5
	4	0	5
6	4	8	0
6	8	8	5

5

		5	9
		7	2
	1	1	8
4	1	3	0
4	2	4	8

6

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

7

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

8

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

9

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

10

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

11

		2	3
		1	3
		6	9
	2	3	0
	2	9	9

12

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

13

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

14

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

15

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

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