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곱셈: 2 x 2

1

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

2

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

3

		1	4
		5	2
		2	8
	7	0	0
	7	2	8

4

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

5

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

6

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

7

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

8

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

9

		6	0
		3	0
			0
1	8	0	0
1	8	0	0

10

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

11

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

12

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

13

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

14

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

15

		6	0
		4	6
	3	6	0
2	4	0	0
2	7	6	0

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