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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

		3	4
		4	9
	3	0	6
1	3	6	0
1	6	6	6

12

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

13

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

14

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

15

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

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