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곱셈 2자리 X 2자리

1

		3	9
		2	2
		7	8
	7	8	0
	8	5	8

2

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

3

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

4

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

5

		2	2
		3	2
		4	4
	6	6	0
	7	0	4

6

		8	5
		4	7
	5	9	5
3	4	0	0
3	9	9	5

7

		7	4
		5	1
		7	4
3	7	0	0
3	7	7	4

8

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

9

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

10

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

11

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

12

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

13

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

14

		1	5
		1	5
		7	5
	1	5	0
	2	2	5

15

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

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