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곱셈: 2 x 25X5

1

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

2

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

3

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

4

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

5

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

6

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

7

		5	9
		3	8
	4	7	2
1	7	7	0
2	2	4	2

8

		6	5
		9	1
		6	5
5	8	5	0
5	9	1	5

9

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

10

		2	0
		2	4
		8	0
	4	0	0
	4	8	0

11

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

12

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

13

		9	7
		3	6
	5	8	2
2	9	1	0
3	4	9	2

14

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

15

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

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