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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		1	0
		2	8
		8	0
	2	0	0
	2	8	0

14

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

15

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

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