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곱셈: 2 x 23X5

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

		1	9
		4	6
	1	1	4
	7	6	0
	8	7	4

9

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

10

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

11

		9	1
		8	8
	7	2	8
7	2	8	0
8	0	0	8

12

		3	0
		9	2
		6	0
2	7	0	0
2	7	6	0

13

		4	7
		2	6
	2	8	2
	9	4	0
1	2	2	2

14

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

15

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

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