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곱셈: 2 x 23X5

1

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

2

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

3

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

4

		5	8
		9	5
	2	9	0
5	2	2	0
5	5	1	0

5

		7	7
		4	0
			0
3	0	8	0
3	0	8	0

6

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

7

		4	7
		2	1
		4	7
	9	4	0
	9	8	7

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

		5	7
		2	5
	2	8	5
1	1	4	0
1	4	2	5

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