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곱셈: 2 x 21X2

1

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

2

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

3

		3	7
		9	5
	1	8	5
3	3	3	0
3	5	1	5

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

		5	0
		5	8
	4	0	0
2	5	0	0
2	9	0	0

13

		8	1
		4	0
			0
3	2	4	0
3	2	4	0

14

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

15

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

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