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곱셈 2자리 X 2자리

1

		2	7
		1	1
		2	7
	2	7	0
	2	9	7

2

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

3

		1	3
		3	6
		7	8
	3	9	0
	4	6	8

4

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

5

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

6

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

7

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

8

		1	9
		1	3
		5	7
	1	9	0
	2	4	7

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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