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곱셈: 2 x 21X2

1

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

2

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

3

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

4

		1	1
		1	1
		1	1
	1	1	0
	1	2	1

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		1	1
		1	1
		1	1
	1	1	0
	1	2	1

14

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

15

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

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