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곱셈: 2 x 21X0

1

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

2

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

3

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

4

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

5

		1	2
		1	6
		7	2
	1	2	0
	1	9	2

6

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

7

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

8

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

9

		3	0
		3	1
		3	0
	9	0	0
	9	3	0

10

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

11

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

12

		1	3
		2	3
		3	9
	2	6	0
	2	9	9

13

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

14

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

15

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

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