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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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