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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

		2	9
		2	5
	1	4	5
	5	8	0
	7	2	5

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		1	5
		4	5
		7	5
	6	0	0
	6	7	5

14

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

15

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

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