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곱셈 2자리 X 2자리

1

		5	4
		7	0
			0
3	7	8	0
3	7	8	0

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

		8	7
		1	4
	3	4	8
	8	7	0
1	2	1	8

11

		4	4
		2	7
	3	0	8
	8	8	0
1	1	8	8

12

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

13

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

14

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

15

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

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