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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

		2	0
		7	7
	1	4	0
1	4	0	0
1	5	4	0

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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