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곱셈 2자리 X 2자리

1

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

2

		7	4
		8	8
	5	9	2
5	9	2	0
6	5	1	2

3

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

4

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

5

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

6

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

7

		5	5
		3	1
		5	5
1	6	5	0
1	7	0	5

8

		3	9
		8	7
	2	7	3
3	1	2	0
3	3	9	3

9

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

10

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

11

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

12

		5	5
		6	0
			0
3	3	0	0
3	3	0	0

13

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

14

		3	8
		1	9
	3	4	2
	3	8	0
	7	2	2

15

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

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