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곱셈: 2 x 2

1

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

2

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

3

		9	3
		1	7
	6	5	1
	9	3	0
1	5	8	1

4

		7	1
		2	5
	3	5	5
1	4	2	0
1	7	7	5

5

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

6

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

7

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

8

		6	1
		5	0
			0
3	0	5	0
3	0	5	0

9

		5	5
		8	9
	4	9	5
4	4	0	0
4	8	9	5

10

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

11

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

12

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

13

		1	0
		2	1
		1	0
	2	0	0
	2	1	0

14

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

15

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

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