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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

		5	0
		5	2
	1	0	0
2	5	0	0
2	6	0	0

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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