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곱셈: 2 x 23X4

1

		3	4
		4	5
	1	7	0
1	3	6	0
1	5	3	0

2

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

3

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

4

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

5

		8	0
		2	0
			0
1	6	0	0
1	6	0	0

6

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

7

		6	9
		5	0
			0
3	4	5	0
3	4	5	0

8

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

9

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

10

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

11

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

12

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

13

		1	0
		2	4
		4	0
	2	0	0
	2	4	0

14

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

15

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

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