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곱셈: 2 x 23X7

1

		3	7
		1	1
		3	7
	3	7	0
	4	0	7

2

		7	0
		5	9
	6	3	0
3	5	0	0
4	1	3	0

3

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

4

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

5

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

6

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

7

		1	0
		8	3
		3	0
	8	0	0
	8	3	0

8

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

9

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

10

		1	5
		5	1
		1	5
	7	5	0
	7	6	5

11

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

12

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

13

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

14

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

15

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

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