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곱셈: 2 x 21X2

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		1	5
		8	9
	1	3	5
1	2	0	0
1	3	3	5

14

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

15

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

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