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곱셈 2자리 X 2자리

1

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

2

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

3

		5	5
		9	8
	4	4	0
4	9	5	0
5	3	9	0

4

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

5

		8	1
		5	8
	6	4	8
4	0	5	0
4	6	9	8

6

		2	5
		4	9
	2	2	5
1	0	0	0
1	2	2	5

7

		8	3
		1	2
	1	6	6
	8	3	0
	9	9	6

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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