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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

		1	7
		5	5
		8	5
	8	5	0
	9	3	5

8

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

9

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

10

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

11

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

12

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

13

		3	0
		3	1
		3	0
	9	0	0
	9	3	0

14

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

15

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

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