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곱셈 2자리 X 2자리

1

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

2

		2	8
		1	0
			0
	2	8	0
	2	8	0

3

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

4

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

5

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

6

		2	5
		9	2
		5	0
2	2	5	0
2	3	0	0

7

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

8

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

9

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

10

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

11

		7	9
		3	7
	5	5	3
2	3	7	0
2	9	2	3

12

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

13

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

14

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

15

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

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