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곱셈: 2 x 21X1

1

		1	1
		7	7
		7	7
	7	7	0
	8	4	7

2

		8	3
		3	0
			0
2	4	9	0
2	4	9	0

3

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

4

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

5

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

6

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

7

		4	4
		1	6
	2	6	4
	4	4	0
	7	0	4

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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