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곱셈: 2 x 21X3

1

		1	3
		9	3
		3	9
1	1	7	0
1	2	0	9

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

		9	5
		4	1
		9	5
3	8	0	0
3	8	9	5

12

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

13

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

14

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

15

		2	0
		3	2
		4	0
	6	0	0
	6	4	0

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