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곱셈 2자리 X 2자리

1

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

2

		1	8
		5	1
		1	8
	9	0	0
	9	1	8

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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