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곱셈 2자리 X 2자리

1

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

2

		7	2
		1	7
	5	0	4
	7	2	0
1	2	2	4

3

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

4

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

5

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

6

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

7

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

8

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

9

		4	3
		1	1
		4	3
	4	3	0
	4	7	3

10

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

11

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

12

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

13

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

14

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

15

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

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