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곱셈: 2 x 23X7

1

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

2

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

3

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

4

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

5

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

6

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

7

		1	4
		1	0
			0
	1	4	0
	1	4	0

8

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

9

		3	3
		2	0
			0
	6	6	0
	6	6	0

10

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

11

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

12

		2	2
		2	0
			0
	4	4	0
	4	4	0

13

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

14

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

15

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

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