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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		1	4
		3	0
			0
	4	2	0
	4	2	0

14

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

15

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

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