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곱셈 2자리 X 2자리

1

		4	1
		5	5
	2	0	5
2	0	5	0
2	2	5	5

2

		3	5
		4	5
	1	7	5
1	4	0	0
1	5	7	5

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

		2	4
		2	2
		4	8
	4	8	0
	5	2	8

12

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

13

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

14

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

15

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

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