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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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