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곱셈: 2 x 23X1

1

		3	1
		7	9
	2	7	9
2	1	7	0
2	4	4	9

2

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

3

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

4

		7	5
		5	6
	4	5	0
3	7	5	0
4	2	0	0

5

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

6

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

7

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

8

		8	1
		1	0
			0
	8	1	0
	8	1	0

9

		2	9
		1	0
			0
	2	9	0
	2	9	0

10

		8	6
		2	0
			0
1	7	2	0
1	7	2	0

11

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

12

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

13

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

14

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

15

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

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