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곱셈 2자리 X 2자리

1

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

2

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

3

		7	3
		2	9
	6	5	7
1	4	6	0
2	1	1	7

4

		3	0
		3	3
		9	0
	9	0	0
	9	9	0

5

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

6

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

7

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

8

		7	9
		3	7
	5	5	3
2	3	7	0
2	9	2	3

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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