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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

		8	3
		4	0
			0
3	3	2	0
3	3	2	0

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

		8	5
		8	9
	7	6	5
6	8	0	0
7	5	6	5

15

		5	8
		1	2
	1	1	6
	5	8	0
	6	9	6

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