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곱셈: 2 x 21X0

1

		1	0
		6	1
		1	0
	6	0	0
	6	1	0

2

		8	7
		6	0
			0
5	2	2	0
5	2	2	0

3

		1	2
		6	5
		6	0
	7	2	0
	7	8	0

4

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

5

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

6

		7	0
		3	2
	1	4	0
2	1	0	0
2	2	4	0

7

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

8

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

9

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

10

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

11

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

12

		6	0
		5	5
	3	0	0
3	0	0	0
3	3	0	0

13

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

14

		2	0
		1	1
		2	0
	2	0	0
	2	2	0

15

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

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