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곱셈 2자리 X 2자리

1

		2	5
		2	8
	2	0	0
	5	0	0
	7	0	0

2

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

3

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

4

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

5

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

6

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

7

		7	3
		4	0
			0
2	9	2	0
2	9	2	0

8

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

9

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

10

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

11

		1	7
		6	0
			0
1	0	2	0
1	0	2	0

12

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

13

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

14

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

15

		4	7
		1	3
	1	4	1
	4	7	0
	6	1	1

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