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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

		3	2
		2	0
			0
	6	4	0
	6	4	0

9

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

10

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

11

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

12

		8	7
		5	5
	4	3	5
4	3	5	0
4	7	8	5

13

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

14

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

15

		8	3
		2	5
	4	1	5
1	6	6	0
2	0	7	5

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