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곱셈 2자리 X 2자리

1

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

2

		7	5
		6	1
		7	5
4	5	0	0
4	5	7	5

3

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

4

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

5

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

6

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

7

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

8

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

9

		4	5
		9	4
	1	8	0
4	0	5	0
4	2	3	0

10

		4	6
		3	0
			0
1	3	8	0
1	3	8	0

11

		9	4
		7	1
		9	4
6	5	8	0
6	6	7	4

12

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

13

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

14

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

15

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

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