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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

		2	0
		9	2
		4	0
1	8	0	0
1	8	4	0

7

		7	6
		4	8
	6	0	8
3	0	4	0
3	6	4	8

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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