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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

		4	1
		6	1
		4	1
2	4	6	0
2	5	0	1

8

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

9

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

10

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

11

		4	4
		4	8
	3	5	2
1	7	6	0
2	1	1	2

12

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

13

		9	6
		1	0
			0
	9	6	0
	9	6	0

14

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

15

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

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