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곱셈 2자리 X 2자리

1

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

2

		9	8
		5	7
	6	8	6
4	9	0	0
5	5	8	6

3

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

4

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

5

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

6

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

7

		8	3
		2	3
	2	4	9
1	6	6	0
1	9	0	9

8

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

9

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

10

		4	7
		2	0
			0
	9	4	0
	9	4	0

11

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

12

		1	9
		3	6
	1	1	4
	5	7	0
	6	8	4

13

		4	5
		8	2
		9	0
3	6	0	0
3	6	9	0

14

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

15

		5	5
		1	8
	4	4	0
	5	5	0
	9	9	0

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