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곱셈 2자리 X 2자리

1

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

2

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

3

		4	5
		3	2
		9	0
1	3	5	0
1	4	4	0

4

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

5

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

6

		1	1
		4	4
		4	4
	4	4	0
	4	8	4

7

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

8

		7	4
		2	6
	4	4	4
1	4	8	0
1	9	2	4

9

		4	7
		4	9
	4	2	3
1	8	8	0
2	3	0	3

10

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

11

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

12

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

13

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

14

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

15

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

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