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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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