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곱셈: 3 x 21X4

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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