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곱셈: 2 x 2

1

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

2

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

3

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

4

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

5

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

6

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

7

		1	9
		4	0
			0
	7	6	0
	7	6	0

8

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

9

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

10

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

11

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

12

		4	9
		5	7
	3	4	3
2	4	5	0
2	7	9	3

13

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

14

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

15

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

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