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곱셈: 2 x 21X5

1

		1	5
		4	5
		7	5
	6	0	0
	6	7	5

2

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

3

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

4

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

5

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

6

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

7

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

8

		8	5
		1	0
			0
	8	5	0
	8	5	0

9

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

10

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

11

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

12

		1	5
		5	1
		1	5
	7	5	0
	7	6	5

13

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

14

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

15

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

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