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곱셈: 2 x 2

1

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

2

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

3

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

4

		2	8
		1	4
	1	1	2
	2	8	0
	3	9	2

5

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

6

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

7

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

8

		5	0
		9	4
	2	0	0
4	5	0	0
4	7	0	0

9

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

10

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

11

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

12

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

13

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

14

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

15

		2	1
		9	2
		4	2
1	8	9	0
1	9	3	2

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