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곱셈: 2 x 21X2

1

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

2

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

3

		4	1
		6	6
	2	4	6
2	4	6	0
2	7	0	6

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

		9	7
		5	0
			0
4	8	5	0
4	8	5	0

13

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

14

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

15

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

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