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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

		8	1
		5	5
	4	0	5
4	0	5	0
4	4	5	5

10

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

11

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

12

		7	5
		6	6
	4	5	0
4	5	0	0
4	9	5	0

13

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

14

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

15

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

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