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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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