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곱셈: 2 x 21X2

1

		1	2
		1	1
		1	2
	1	2	0
	1	3	2

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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