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곱셈: 2 x 22X3

1

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

2

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

3

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

4

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

5

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

6

		1	1
		3	0
			0
	3	3	0
	3	3	0

7

		4	4
		1	4
	1	7	6
	4	4	0
	6	1	6

8

		1	6
		6	1
		1	6
	9	6	0
	9	7	6

9

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

10

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

11

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

12

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

13

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

14

		9	6
		5	1
		9	6
4	8	0	0
4	8	9	6

15

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

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