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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		2	5
		7	9
	2	2	5
1	7	5	0
1	9	7	5

14

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

15

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

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