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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

		1	5
		1	0
			0
	1	5	0
	1	5	0

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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