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곱셈: 2 x 21X2

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

		7	5
		9	2
	1	5	0
6	7	5	0
6	9	0	0

11

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

12

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

13

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

14

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

15

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

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