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곱셈: 2 x 23X9

1

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

2

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

3

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

4

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

5

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

6

		8	0
		6	0
			0
4	8	0	0
4	8	0	0

7

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

8

		1	0
		6	3
		3	0
	6	0	0
	6	3	0

9

		1	0
		6	1
		1	0
	6	0	0
	6	1	0

10

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

11

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

12

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

13

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

14

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

15

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

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