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곱셈 2자리 X 2자리

1

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

2

		9	2
		5	2
	1	8	4
4	6	0	0
4	7	8	4

3

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

4

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

5

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

6

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

7

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

8

		2	3
		9	2
		4	6
2	0	7	0
2	1	1	6

9

		4	5
		6	2
		9	0
2	7	0	0
2	7	9	0

10

		8	6
		4	0
			0
3	4	4	0
3	4	4	0

11

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

12

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

13

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

14

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

15

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

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