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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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