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곱셈: 2 x 25X4

1

		5	4
		1	0
			0
	5	4	0
	5	4	0

2

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

3

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

4

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

5

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

6

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

7

		1	8
		1	0
			0
	1	8	0
	1	8	0

8

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

9

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

10

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

11

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

12

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

13

		6	7
		8	0
			0
5	3	6	0
5	3	6	0

14

		5	6
		1	2
	1	1	2
	5	6	0
	6	7	2

15

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

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