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곱셈 2자리 X 2자리

1

		1	7
		1	0
			0
	1	7	0
	1	7	0

2

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

3

		3	5
		3	3
	1	0	5
1	0	5	0
1	1	5	5

4

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

5

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

6

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

7

		3	9
		9	4
	1	5	6
3	5	1	0
3	6	6	6

8

		9	9
		1	0
			0
	9	9	0
	9	9	0

9

		4	0
		1	4
	1	6	0
	4	0	0
	5	6	0

10

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

11

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

12

		1	6
		4	0
			0
	6	4	0
	6	4	0

13

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

14

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

15

		1	3
		7	5
		6	5
	9	1	0
	9	7	5

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