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곱셈: 2 x 23X9

1

		3	9
		2	4
	1	5	6
	7	8	0
	9	3	6

2

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

3

		4	9
		7	3
	1	4	7
3	4	3	0
3	5	7	7

4

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

5

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

6

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

7

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

8

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

9

		2	5
		7	6
	1	5	0
1	7	5	0
1	9	0	0

10

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

11

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

12

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

13

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

14

		1	4
		5	1
		1	4
	7	0	0
	7	1	4

15

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

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