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곱셈: 2 x 22X4

1

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

2

		5	9
		7	1
		5	9
4	1	3	0
4	1	8	9

3

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

4

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

5

		2	7
		9	4
	1	0	8
2	4	3	0
2	5	3	8

6

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

7

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

8

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

9

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

10

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

11

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

12

		2	6
		7	5
	1	3	0
1	8	2	0
1	9	5	0

13

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

14

		8	3
		8	6
	4	9	8
6	6	4	0
7	1	3	8

15

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

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