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곱셈: 2 x 2

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

		2	0
		4	5
	1	0	0
	8	0	0
	9	0	0

9

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

10

		7	3
		4	1
		7	3
2	9	2	0
2	9	9	3

11

		6	0
		1	1
		6	0
	6	0	0
	6	6	0

12

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

13

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

14

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

15

		4	5
		2	3
	1	3	5
	9	0	0
1	0	3	5

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