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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

		2	5
		9	0
			0
2	2	5	0
2	2	5	0

6

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

7

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

8

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

9

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

10

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

11

		6	0
		7	4
	2	4	0
4	2	0	0
4	4	4	0

12

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

13

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

14

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

15

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

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