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곱셈: 2 x 23X3

1

		3	3
		3	3
		9	9
	9	9	0
1	0	8	9

2

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

3

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

4

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

5

		1	7
		6	6
	1	0	2
1	0	2	0
1	1	2	2

6

		3	5
		8	0
			0
2	8	0	0
2	8	0	0

7

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

8

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

9

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

10

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

11

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

12

		3	0
		3	0
			0
	9	0	0
	9	0	0

13

		5	5
		7	1
		5	5
3	8	5	0
3	9	0	5

14

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

15

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

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