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곱셈 2자리 X 2자리

1

		2	8
		3	0
			0
	8	4	0
	8	4	0

2

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

3

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

4

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

5

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

6

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

7

		8	5
		3	0
			0
2	5	5	0
2	5	5	0

8

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

9

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

10

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

11

		6	0
		1	9
	5	4	0
	6	0	0
1	1	4	0

12

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

13

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

14

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

15

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

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