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곱셈 2자리 X 2자리

1

		4	5
		4	4
	1	8	0
1	8	0	0
1	9	8	0

2

		6	5
		5	0
			0
3	2	5	0
3	2	5	0

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

		1	1
		9	7
		7	7
	9	9	0
1	0	6	7

12

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

13

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

14

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

15

		5	2
		5	5
	2	6	0
2	6	0	0
2	8	6	0

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