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곱셈: 2 x 21X2

1

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

2

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

3

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

4

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

5

		1	0
		3	0
			0
	3	0	0
	3	0	0

6

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

7

		1	2
		1	9
	1	0	8
	1	2	0
	2	2	8

8

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

9

		5	9
		6	1
		5	9
3	5	4	0
3	5	9	9

10

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

11

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

12

		1	9
		3	5
		9	5
	5	7	0
	6	6	5

13

		7	4
		3	5
	3	7	0
2	2	2	0
2	5	9	0

14

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

15

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

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