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곱셈: 2 x 23X4

1

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

2

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

3

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

4

		5	8
		5	0
			0
2	9	0	0
2	9	0	0

5

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

6

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

7

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

8

		4	5
		3	3
	1	3	5
1	3	5	0
1	4	8	5

9

		4	6
		6	0
			0
2	7	6	0
2	7	6	0

10

		1	2
		5	8
		9	6
	6	0	0
	6	9	6

11

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

12

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

13

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

14

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

15

		2	8
		1	1
		2	8
	2	8	0
	3	0	8

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