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곱셈 2자리 X 2자리

1

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

2

		7	9
		3	4
	3	1	6
2	3	7	0
2	6	8	6

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

		2	7
		1	6
	1	6	2
	2	7	0
	4	3	2

13

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

14

		6	2
		1	8
	4	9	6
	6	2	0
1	1	1	6

15

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

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