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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

		9	1
		5	5
	4	5	5
4	5	5	0
5	0	0	5

5

		4	4
		7	9
	3	9	6
3	0	8	0
3	4	7	6

6

		3	4
		5	6
	2	0	4
1	7	0	0
1	9	0	4

7

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

8

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

9

		1	0
		5	9
		9	0
	5	0	0
	5	9	0

10

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

11

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

12

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

13

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

14

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

15

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

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