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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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