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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

		3	9
		4	4
	1	5	6
1	5	6	0
1	7	1	6

6

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

7

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

8

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

9

		1	4
		6	0
			0
	8	4	0
	8	4	0

10

		5	3
		4	4
	2	1	2
2	1	2	0
2	3	3	2

11

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

12

		9	5
		5	5
	4	7	5
4	7	5	0
5	2	2	5

13

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

14

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

15

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

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