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곱셈: 2 x 2

1

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

2

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

3

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

4

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

5

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

6

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

7

		9	4
		5	5
	4	7	0
4	7	0	0
5	1	7	0

8

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

9

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

10

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

11

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

12

		1	5
		7	6
		9	0
1	0	5	0
1	1	4	0

13

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

14

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

15

		5	5
		8	9
	4	9	5
4	4	0	0
4	8	9	5

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