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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

		1	0
		1	5
		5	0
	1	0	0
	1	5	0

6

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

7

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

8

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

9

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

10

		9	6
		2	1
		9	6
1	9	2	0
2	0	1	6

11

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

12

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

13

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

14

		4	4
		6	2
		8	8
2	6	4	0
2	7	2	8

15

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

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