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곱셈: 2 x 23X5

1

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

2

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

3

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

4

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

5

		8	4
		1	0
			0
	8	4	0
	8	4	0

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		3	0
		2	0
			0
	6	0	0
	6	0	0

14

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

15

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

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