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곱셈: 2 x 23X5

1

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

2

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

3

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

4

		9	7
		1	2
	1	9	4
	9	7	0
1	1	6	4

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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