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곱셈: 2 x 21X0

1

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

2

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

3

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

4

		1	9
		9	1
		1	9
1	7	1	0
1	7	2	9

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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