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곱셈: 3 x 21X3

1

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

2

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

3

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

4

		9	2	9
			7	7
	6	5	0	3
6	5	0	3	0
7	1	5	3	3

5

		8	8	6
			4	4
	3	5	4	4
3	5	4	4	0
3	8	9	8	4

6

		6	4	6
			7	3
	1	9	3	8
4	5	2	2	0
4	7	1	5	8

7

		3	7	5
			8	1
		3	7	5
3	0	0	0	0
3	0	3	7	5

8

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

9

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

10

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

11

		1	0	0
			4	9
		9	0	0
	4	0	0	0
	4	9	0	0

12

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

13

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

14

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

15

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

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