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곱셈: 2 x 22X3

1

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

2

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

3

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

4

		2	6
		8	6
	1	5	6
2	0	8	0
2	2	3	6

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

		1	1
		9	0
			0
	9	9	0
	9	9	0

15

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

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