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곱셈: 2 x 23X7

1

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

2

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

3

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

4

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

5

		1	6
		2	0
			0
	3	2	0
	3	2	0

6

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

7

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

8

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

9

		4	3
		6	5
	2	1	5
2	5	8	0
2	7	9	5

10

		6	7
		1	0
			0
	6	7	0
	6	7	0

11

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

12

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

13

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

14

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

15

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

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