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곱셈: 3 x 27X4

1

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

2

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

3

		2	1	5
			3	3
		6	4	5
	6	4	5	0
	7	0	9	5

4

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

5

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

6

		8	1	5
			6	5
	4	0	7	5
4	8	9	0	0
5	2	9	7	5

7

		6	4	6
			8	9
	5	8	1	4
5	1	6	8	0
5	7	4	9	4

8

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

9

		1	6	3
			3	9
	1	4	6	7
	4	8	9	0
	6	3	5	7

10

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

11

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

12

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

13

		3	6	2
			9	4
	1	4	4	8
3	2	5	8	0
3	4	0	2	8

14

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

15

		1	3	9
			7	4
		5	5	6
	9	7	3	0
1	0	2	8	6

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