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곱셈: 2 x 21X2

1

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

2

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

3

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

4

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

5

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

6

		3	4
		4	1
		3	4
1	3	6	0
1	3	9	4

7

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

8

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

9

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

10

		8	4
		4	4
	3	3	6
3	3	6	0
3	6	9	6

11

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

12

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

13

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

14

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

15

		1	1
		8	3
		3	3
	8	8	0
	9	1	3

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