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곱셈 2자리 X 2자리

1

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

2

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

3

		9	1
		9	0
			0
8	1	9	0
8	1	9	0

4

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

5

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

6

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

7

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

8

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

9

		5	6
		1	6
	3	3	6
	5	6	0
	8	9	6

10

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

11

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

12

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

13

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

14

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

15

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

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