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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

		3	8
		3	8
	3	0	4
1	1	4	0
1	4	4	4

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

		3	8
		3	8
	3	0	4
1	1	4	0
1	4	4	4

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