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곱셈 2자리 X 2자리

1

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

2

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

3

		3	9
		5	0
			0
1	9	5	0
1	9	5	0

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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