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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

		9	2
		1	0
			0
	9	2	0
	9	2	0

9

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

10

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

11

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

12

		9	5
		8	7
	6	6	5
7	6	0	0
8	2	6	5

13

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

14

		5	5
		3	2
	1	1	0
1	6	5	0
1	7	6	0

15

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

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