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곱셈 2자리 X 2자리

1

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

2

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

3

		8	5
		1	0
			0
	8	5	0
	8	5	0

4

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

5

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

6

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

7

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

8

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

9

		1	3
		5	7
		9	1
	6	5	0
	7	4	1

10

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

11

		5	3
		5	5
	2	6	5
2	6	5	0
2	9	1	5

12

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

13

		8	2
		9	2
	1	6	4
7	3	8	0
7	5	4	4

14

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

15

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

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