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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

		5	6
		6	6
	3	3	6
3	3	6	0
3	6	9	6

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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