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곱셈 2자리 X 2자리

1

		1	8
		4	3
		5	4
	7	2	0
	7	7	4

2

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

3

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

4

		2	7
		2	9
	2	4	3
	5	4	0
	7	8	3

5

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

6

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

7

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

8

		6	9
		3	8
	5	5	2
2	0	7	0
2	6	2	2

9

		5	2
		8	9
	4	6	8
4	1	6	0
4	6	2	8

10

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

11

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

12

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

13

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

14

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

15

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

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