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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

		7	4
		5	9
	6	6	6
3	7	0	0
4	3	6	6

5

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

6

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

7

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

8

		5	5
		1	2
	1	1	0
	5	5	0
	6	6	0

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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