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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

		2	6
		3	5
	1	3	0
	7	8	0
	9	1	0

8

		4	8
		9	6
	2	8	8
4	3	2	0
4	6	0	8

9

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

10

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

11

		3	4
		9	1
		3	4
3	0	6	0
3	0	9	4

12

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

13

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

14

		2	2
		7	9
	1	9	8
1	5	4	0
1	7	3	8

15

		5	4
		9	3
	1	6	2
4	8	6	0
5	0	2	2

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