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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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