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곱셈: 2 x 2

1

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

2

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

3

		5	2
		4	4
	2	0	8
2	0	8	0
2	2	8	8

4

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

5

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

6

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

7

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

8

		8	5
		3	3
	2	5	5
2	5	5	0
2	8	0	5

9

		3	4
		1	3
	1	0	2
	3	4	0
	4	4	2

10

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

11

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

12

		2	1
		7	1
		2	1
1	4	7	0
1	4	9	1

13

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

14

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

15

		7	5
		6	8
	6	0	0
4	5	0	0
5	1	0	0

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