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곱셈 2자리 X 2자리

1

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

2

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

3

		5	1
		1	1
		5	1
	5	1	0
	5	6	1

4

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

5

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

6

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

7

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

8

		9	5
		1	3
	2	8	5
	9	5	0
1	2	3	5

9

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

10

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

11

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

12

		3	4
		6	6
	2	0	4
2	0	4	0
2	2	4	4

13

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

14

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

15

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

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