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곱셈 2자리 X 2자리

1

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

2

		2	9
		1	0
			0
	2	9	0
	2	9	0

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

		5	7
		1	5
	2	8	5
	5	7	0
	8	5	5

13

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

14

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

15

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

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