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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

		4	3
		7	9
	3	8	7
3	0	1	0
3	3	9	7

13

		4	5
		3	2
		9	0
1	3	5	0
1	4	4	0

14

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

15

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

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