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곱셈 2자리 X 2자리

1

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

2

		2	5
		6	8
	2	0	0
1	5	0	0
1	7	0	0

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

		2	5
		2	2
		5	0
	5	0	0
	5	5	0

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