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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

		7	4
		4	0
			0
2	9	6	0
2	9	6	0

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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