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곱셈: 2 x 22X0

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

		5	7
		5	3
	1	7	1
2	8	5	0
3	0	2	1

9

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

10

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

11

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

12

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

13

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

14

		1	8
		1	5
		9	0
	1	8	0
	2	7	0

15

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

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