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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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