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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

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

3

		1	1
		3	0
			0
	3	3	0
	3	3	0

4

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

5

		8	0
		5	6
	4	8	0
4	0	0	0
4	4	8	0

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

		8	6
		2	8
	6	8	8
1	7	2	0
2	4	0	8

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