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곱셈: 2 x 22X7

1

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

2

		5	1
		7	5
	2	5	5
3	5	7	0
3	8	2	5

3

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

4

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

5

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

6

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

7

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

8

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

9

		2	3
		4	3
		6	9
	9	2	0
	9	8	9

10

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

11

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

12

		7	5
		8	8
	6	0	0
6	0	0	0
6	6	0	0

13

		5	4
		3	3
	1	6	2
1	6	2	0
1	7	8	2

14

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

15

		5	1
		1	7
	3	5	7
	5	1	0
	8	6	7

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