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곱셈 2자리 X 2자리

1

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

2

		9	5
		2	2
	1	9	0
1	9	0	0
2	0	9	0

3

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

4

		3	0
		3	0
			0
	9	0	0
	9	0	0

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

		4	2
		2	0
			0
	8	4	0
	8	4	0

15

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

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