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곱셈 2자리 X 2자리

1

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

2

		3	2
		9	0
			0
2	8	8	0
2	8	8	0

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		4	1
		7	2
		8	2
2	8	7	0
2	9	5	2

14

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

15

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

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