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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

		5	9
		7	3
	1	7	7
4	1	3	0
4	3	0	7

11

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

12

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

13

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

14

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

15

		4	5
		1	0
			0
	4	5	0
	4	5	0

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