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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

		2	6
		3	5
	1	3	0
	7	8	0
	9	1	0

7

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

8

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

9

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

10

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

11

		2	3
		1	3
		6	9
	2	3	0
	2	9	9

12

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

13

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

14

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

15

		3	7
		5	6
	2	2	2
1	8	5	0
2	0	7	2

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