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곱셈: 2 x 2

1

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

2

		9	8
		4	0
			0
3	9	2	0
3	9	2	0

3

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

4

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

5

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

6

		9	3
		3	0
			0
2	7	9	0
2	7	9	0

7

		6	3
		4	3
	1	8	9
2	5	2	0
2	7	0	9

8

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

9

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

10

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

11

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

12

		6	3
		1	0
			0
	6	3	0
	6	3	0

13

		9	3
		5	9
	8	3	7
4	6	5	0
5	4	8	7

14

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

15

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

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