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곱셈: 2 x 25X5

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

		1	4
		6	0
			0
	8	4	0
	8	4	0

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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