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곱셈: 2 x 21X2

1

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

2

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

3

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

4

		4	0
		2	0
			0
	8	0	0
	8	0	0

5

		1	3
		3	4
		5	2
	3	9	0
	4	4	2

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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