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곱셈: 2 x 27X5

1

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

2

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

3

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

4

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

5

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

6

		5	0
		1	0
			0
	5	0	0
	5	0	0

7

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

8

		5	5
		4	4
	2	2	0
2	2	0	0
2	4	2	0

9

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

10

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

11

		6	5
		1	5
	3	2	5
	6	5	0
	9	7	5

12

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

13

		8	6
		6	0
			0
5	1	6	0
5	1	6	0

14

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

15

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

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