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곱셈: 2 x 22X4

1

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

2

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

3

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

4

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

5

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

6

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

7

		9	3
		4	2
	1	8	6
3	7	2	0
3	9	0	6

8

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

9

		5	4
		3	7
	3	7	8
1	6	2	0
1	9	9	8

10

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

11

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

12

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

13

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

14

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

15

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

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