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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

		2	8
		9	2
		5	6
2	5	2	0
2	5	7	6

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

		1	0
		1	2
		2	0
	1	0	0
	1	2	0

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