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곱셈 2자리 X 2자리

1

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

2

		1	1
		1	0
			0
	1	1	0
	1	1	0

3

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

4

		9	3
		5	7
	6	5	1
4	6	5	0
5	3	0	1

5

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

6

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

7

		2	7
		2	7
	1	8	9
	5	4	0
	7	2	9

8

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

9

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

10

		5	9
		6	3
	1	7	7
3	5	4	0
3	7	1	7

11

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

12

		3	3
		3	6
	1	9	8
	9	9	0
1	1	8	8

13

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

14

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

15

		5	6
		1	0
			0
	5	6	0
	5	6	0

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