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곱셈: 2 x 23X7

1

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

2

		3	5
		2	8
	2	8	0
	7	0	0
	9	8	0

3

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

4

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

5

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

6

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

7

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

8

		5	7
		3	0
			0
1	7	1	0
1	7	1	0

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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