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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

		5	4
		7	4
	2	1	6
3	7	8	0
3	9	9	6

5

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

6

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

7

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

8

		5	5
		8	7
	3	8	5
4	4	0	0
4	7	8	5

9

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

10

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

11

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

12

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

13

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

14

		3	1
		3	3
		9	3
	9	3	0
1	0	2	3

15

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

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