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곱셈: 3 x 21X7

1

		1	7	5
			1	7
	1	2	2	5
	1	7	5	0
	2	9	7	5

2

		5	7	0
			2	0
				0
1	1	4	0	0
1	1	4	0	0

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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