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곱셈: 2 x 21X2

1

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

2

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

3

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

4

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

5

		1	5
		6	2
		3	0
	9	0	0
	9	3	0

6

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

7

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

8

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

9

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

10

		2	9
		9	4
	1	1	6
2	6	1	0
2	7	2	6

11

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

12

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

13

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

14

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

15

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

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