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곱셈 2자리 X 2자리

1

		5	7
		9	1
		5	7
5	1	3	0
5	1	8	7

2

		6	7
		1	0
			0
	6	7	0
	6	7	0

3

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

4

		1	6
		5	1
		1	6
	8	0	0
	8	1	6

5

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

6

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

7

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

8

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

9

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

10

		8	1
		1	0
			0
	8	1	0
	8	1	0

11

		1	4
		1	1
		1	4
	1	4	0
	1	5	4

12

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

13

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

14

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

15

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

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