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곱셈: 3 x 23X7

1

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

2

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

3

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

4

		9	5	5
			2	0
				0
1	9	1	0	0
1	9	1	0	0

5

		2	9	9
			7	1
		2	9	9
2	0	9	3	0
2	1	2	2	9

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		1	7	0
			1	6
	1	0	2	0
	1	7	0	0
	2	7	2	0

14

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

15

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

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