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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

		3	3
		2	8
	2	6	4
	6	6	0
	9	2	4

7

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

8

		1	4
		4	4
		5	6
	5	6	0
	6	1	6

9

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

10

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

11

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

12

		3	6
		9	5
	1	8	0
3	2	4	0
3	4	2	0

13

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

14

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

15

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

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