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곱셈: 2 x 23X5

1

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

2

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

3

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

4

		8	9
		1	0
			0
	8	9	0
	8	9	0

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

		5	5
		7	1
		5	5
3	8	5	0
3	9	0	5

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