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곱셈: 2 x 21X3

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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