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곱셈: 2 x 23X7

1

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

2

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

3

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

4

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

5

		1	5
		3	3
		4	5
	4	5	0
	4	9	5

6

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

7

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

8

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

9

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

10

		1	2
		1	6
		7	2
	1	2	0
	1	9	2

11

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

12

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

13

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

14

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

15

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

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