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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

		8	6
		1	0
			0
	8	6	0
	8	6	0

8

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

9

		5	1
		3	3
	1	5	3
1	5	3	0
1	6	8	3

10

		8	5
		7	5
	4	2	5
5	9	5	0
6	3	7	5

11

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

12

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

13

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

14

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

15

		7	4
		3	3
	2	2	2
2	2	2	0
2	4	4	2

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