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곱셈: 2 x 23X5

1

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

2

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

3

		3	8
		5	2
		7	6
1	9	0	0
1	9	7	6

4

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

5

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

6

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

7

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

8

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

9

		5	2
		5	5
	2	6	0
2	6	0	0
2	8	6	0

10

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

11

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

12

		1	1
		4	7
		7	7
	4	4	0
	5	1	7

13

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

14

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

15

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

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