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곱셈 2자리 X 2자리

1

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

2

		7	2
		1	0
			0
	7	2	0
	7	2	0

3

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

4

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

5

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

6

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

7

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

8

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

9

		1	1
		1	1
		1	1
	1	1	0
	1	2	1

10

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

11

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

12

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

13

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

14

		8	4
		6	4
	3	3	6
5	0	4	0
5	3	7	6

15

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

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