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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

		2	2
		7	5
	1	1	0
1	5	4	0
1	6	5	0

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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