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곱셈: 2 x 23X5

1

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

2

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

3

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

4

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

5

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

6

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

7

		4	5
		1	3
	1	3	5
	4	5	0
	5	8	5

8

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

9

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

10

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

11

		5	2
		3	2
	1	0	4
1	5	6	0
1	6	6	4

12

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

13

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

14

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

15

		1	5
		6	1
		1	5
	9	0	0
	9	1	5

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