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곱셈: 2 x 23X9

1

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

2

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

3

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

4

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

5

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

6

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

7

		9	6
		8	8
	7	6	8
7	6	8	0
8	4	4	8

8

		4	5
		6	2
		9	0
2	7	0	0
2	7	9	0

9

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

10

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

11

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

12

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

13

		4	4
		5	3
	1	3	2
2	2	0	0
2	3	3	2

14

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

15

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

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