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곱셈: 2 x 23X4

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

		7	3
		6	0
			0
4	3	8	0
4	3	8	0

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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