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곱셈: 2 x 21X2

1

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

2

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

3

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

4

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

5

		7	0
		1	5
	3	5	0
	7	0	0
1	0	5	0

6

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

7

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

8

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

9

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

10

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

11

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

12

		2	0
		5	6
	1	2	0
1	0	0	0
1	1	2	0

13

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

14

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

15

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

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