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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

		8	9
		8	4
	3	5	6
7	1	2	0
7	4	7	6

5

		5	5
		4	9
	4	9	5
2	2	0	0
2	6	9	5

6

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

7

		1	2
		6	0
			0
	7	2	0
	7	2	0

8

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

9

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

10

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

11

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

12

		2	1
		2	0
			0
	4	2	0
	4	2	0

13

		4	8
		3	2
		9	6
1	4	4	0
1	5	3	6

14

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

15

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

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