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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

		2	7
		9	7
	1	8	9
2	4	3	0
2	6	1	9

9

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

10

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

11

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

12

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

13

		7	3
		5	0
			0
3	6	5	0
3	6	5	0

14

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

15

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

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