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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

		1	7
		6	0
			0
1	0	2	0
1	0	2	0

15

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

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