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곱셈: 2 x 21X5

1

		1	5
		7	3
		4	5
1	0	5	0
1	0	9	5

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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