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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

		3	9
		8	4
	1	5	6
3	1	2	0
3	2	7	6

7

		1	7
		7	6
	1	0	2
1	1	9	0
1	2	9	2

8

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

9

		3	3
		4	6
	1	9	8
1	3	2	0
1	5	1	8

10

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

11

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

12

		1	9
		3	5
		9	5
	5	7	0
	6	6	5

13

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

14

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

15

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

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