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곱셈: 2 x 23X5

1

		3	5
		9	2
		7	0
3	1	5	0
3	2	2	0

2

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

3

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

4

		2	1
		6	1
		2	1
1	2	6	0
1	2	8	1

5

		6	2
		6	6
	3	7	2
3	7	2	0
4	0	9	2

6

		3	0
		1	3
		9	0
	3	0	0
	3	9	0

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

		5	2
		4	0
			0
2	0	8	0
2	0	8	0

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