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곱셈: 2 x 21X3

1

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

2

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

3

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

4

		3	1
		1	0
			0
	3	1	0
	3	1	0

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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