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곱셈 2자리 X 2자리

1

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

2

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

3

		2	1
		1	1
		2	1
	2	1	0
	2	3	1

4

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

5

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

6

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

7

		4	8
		5	1
		4	8
2	4	0	0
2	4	4	8

8

		1	0
		4	4
		4	0
	4	0	0
	4	4	0

9

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

10

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

11

		3	4
		2	0
			0
	6	8	0
	6	8	0

12

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

13

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

14

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

15

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

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