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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

		4	2
		8	5
	2	1	0
3	3	6	0
3	5	7	0

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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