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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

		2	6
		2	2
		5	2
	5	2	0
	5	7	2

7

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

8

		8	5
		1	0
			0
	8	5	0
	8	5	0

9

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

10

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

11

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

12

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

13

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

14

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

15

		5	0
		1	4
	2	0	0
	5	0	0
	7	0	0

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