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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

		1	6
		1	0
			0
	1	6	0
	1	6	0

8

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

9

		5	5
		9	5
	2	7	5
4	9	5	0
5	2	2	5

10

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

11

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

12

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

13

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

14

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

15

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

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