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곱셈: 2 x 21X2

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

		3	4
		9	6
	2	0	4
3	0	6	0
3	2	6	4

15

		1	1
		5	0
			0
	5	5	0
	5	5	0

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