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곱셈: 2 x 2

1

		6	0
		4	4
	2	4	0
2	4	0	0
2	6	4	0

2

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

3

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

4

		8	9
		3	7
	6	2	3
2	6	7	0
3	2	9	3

5

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

6

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

7

		8	1
		1	5
	4	0	5
	8	1	0
1	2	1	5

8

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

9

		5	3
		1	0
			0
	5	3	0
	5	3	0

10

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

11

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

12

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

13

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

14

		2	8
		2	1
		2	8
	5	6	0
	5	8	8

15

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

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