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곱셈: 2 x 23X4

1

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

2

		8	5
		9	8
	6	8	0
7	6	5	0
8	3	3	0

3

		1	3
		1	3
		3	9
	1	3	0
	1	6	9

4

		7	2
		5	5
	3	6	0
3	6	0	0
3	9	6	0

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		3	0
		1	0
			0
	3	0	0
	3	0	0

14

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

15

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

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