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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

		9	7
		1	8
	7	7	6
	9	7	0
1	7	4	6

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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