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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

		3	7
		9	2
		7	4
3	3	3	0
3	4	0	4

10

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

11

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

12

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

13

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

14

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

15

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

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