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곱셈 2자리 X 2자리

1

		3	5
		4	4
	1	4	0
1	4	0	0
1	5	4	0

2

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

3

		9	2
		6	7
	6	4	4
5	5	2	0
6	1	6	4

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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