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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		9	3
		7	8
	7	4	4
6	5	1	0
7	2	5	4

14

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

15

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

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