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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

		9	0
		1	0
			0
	9	0	0
	9	0	0

8

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

9

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

10

		7	1
		8	5
	3	5	5
5	6	8	0
6	0	3	5

11

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

12

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

13

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

14

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

15

		7	1
		1	0
			0
	7	1	0
	7	1	0

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