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곱셈 2자리 X 2자리

1

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

2

		7	4
		1	0
			0
	7	4	0
	7	4	0

3

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

4

		2	7
		3	7
	1	8	9
	8	1	0
	9	9	9

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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