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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

		8	8
		1	1
		8	8
	8	8	0
	9	6	8

11

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

12

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

13

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

14

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

15

		6	4
		6	0
			0
3	8	4	0
3	8	4	0

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