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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

		1	0
		1	2
		2	0
	1	0	0
	1	2	0

5

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

6

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

7

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

8

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

9

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

10

		1	6
		1	0
			0
	1	6	0
	1	6	0

11

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

12

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

13

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

14

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

15

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

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