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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

		9	9
		1	9
	8	9	1
	9	9	0
1	8	8	1

13

		3	2
		3	1
		3	2
	9	6	0
	9	9	2

14

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

15

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

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