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곱셈: 2 x 25X5

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		2	1
		3	3
		6	3
	6	3	0
	6	9	3

14

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

15

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

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