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곱셈: 2 x 23X5

1

		3	5
		2	2
		7	0
	7	0	0
	7	7	0

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

		9	6
		5	0
			0
4	8	0	0
4	8	0	0

11

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

12

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

13

		9	1
		3	4
	3	6	4
2	7	3	0
3	0	9	4

14

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

15

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

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