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곱셈: 2 x 23X4

1

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

2

		9	1
		4	1
		9	1
3	6	4	0
3	7	3	1

3

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

4

		1	0
		5	6
		6	0
	5	0	0
	5	6	0

5

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

6

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

7

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

8

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

9

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

10

		2	1
		1	8
	1	6	8
	2	1	0
	3	7	8

11

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

12

		8	5
		4	8
	6	8	0
3	4	0	0
4	0	8	0

13

		2	3
		3	6
	1	3	8
	6	9	0
	8	2	8

14

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

15

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

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