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곱셈 2자리 X 2자리

1

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

2

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

3

		3	1
		7	1
		3	1
2	1	7	0
2	2	0	1

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

		1	6
		5	6
		9	6
	8	0	0
	8	9	6

15

		3	4
		5	2
		6	8
1	7	0	0
1	7	6	8

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