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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

		6	1
		2	0
			0
1	2	2	0
1	2	2	0

7

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

8

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

9

		2	3
		2	0
			0
	4	6	0
	4	6	0

10

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

11

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

12

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

13

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

14

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

15

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

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