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곱셈 2자리 X 2자리

1

		3	4
		8	5
	1	7	0
2	7	2	0
2	8	9	0

2

		3	7
		5	0
			0
1	8	5	0
1	8	5	0

3

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

4

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

5

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

6

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

7

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

8

		7	4
		5	8
	5	9	2
3	7	0	0
4	2	9	2

9

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

10

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

11

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

12

		1	5
		3	1
		1	5
	4	5	0
	4	6	5

13

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

14

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

15

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

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