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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

		4	0
		4	4
	1	6	0
1	6	0	0
1	7	6	0

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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