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곱셈 2자리 X 2자리

1

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

2

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

3

		2	6
		1	7
	1	8	2
	2	6	0
	4	4	2

4

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

5

		9	1
		6	9
	8	1	9
5	4	6	0
6	2	7	9

6

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

7

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

8

		6	5
		6	4
	2	6	0
3	9	0	0
4	1	6	0

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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