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곱셈 2자리 X 2자리

1

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

2

		4	7
		3	1
		4	7
1	4	1	0
1	4	5	7

3

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

4

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

5

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

6

		4	2
		2	0
			0
	8	4	0
	8	4	0

7

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

8

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

9

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

10

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

11

		2	2
		1	0
			0
	2	2	0
	2	2	0

12

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

13

		3	2
		2	2
		6	4
	6	4	0
	7	0	4

14

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

15

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

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