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곱셈: 2 x 23X5

1

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

2

		5	8
		1	6
	3	4	8
	5	8	0
	9	2	8

3

		3	4
		8	8
	2	7	2
2	7	2	0
2	9	9	2

4

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

5

		7	0
		2	8
	5	6	0
1	4	0	0
1	9	6	0

6

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

7

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

8

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

9

		6	2
		8	1
		6	2
4	9	6	0
5	0	2	2

10

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

11

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

12

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

13

		2	9
		5	5
	1	4	5
1	4	5	0
1	5	9	5

14

		6	2
		8	2
	1	2	4
4	9	6	0
5	0	8	4

15

		2	7
		3	0
			0
	8	1	0
	8	1	0

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