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곱셈: 3 x 21X3

1

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

2

		1	7	5
			4	0
				0
	7	0	0	0
	7	0	0	0

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

		4	8	3
			3	7
	3	3	8	1
1	4	4	9	0
1	7	8	7	1

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