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곱셈: 2 x 22X1

1

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

2

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

3

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

4

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

5

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

6

		1	4
		4	0
			0
	5	6	0
	5	6	0

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

		9	1
		1	1
		9	1
	9	1	0
1	0	0	1

15

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

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