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곱셈: 2 x 21X0

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		1	5
		6	1
		1	5
	9	0	0
	9	1	5

14

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

15

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

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