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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

		5	9
		8	2
	1	1	8
4	7	2	0
4	8	3	8

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		4	8
		8	5
	2	4	0
3	8	4	0
4	0	8	0

14

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

15

		1	1
		2	0
			0
	2	2	0
	2	2	0

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