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곱셈: 2 x 23X7

1

		3	7
		5	2
		7	4
1	8	5	0
1	9	2	4

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

		7	5
		1	3
	2	2	5
	7	5	0
	9	7	5

13

		3	8
		6	3
	1	1	4
2	2	8	0
2	3	9	4

14

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

15

		4	5
		3	3
	1	3	5
1	3	5	0
1	4	8	5

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