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곱셈 2자리 X 2자리

1

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

2

		9	0
		2	2
	1	8	0
1	8	0	0
1	9	8	0

3

		5	7
		5	2
	1	1	4
2	8	5	0
2	9	6	4

4

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

5

		6	9
		1	0
			0
	6	9	0
	6	9	0

6

		6	4
		3	5
	3	2	0
1	9	2	0
2	2	4	0

7

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

8

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

9

		3	0
		6	5
	1	5	0
1	8	0	0
1	9	5	0

10

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

11

		5	9
		4	9
	5	3	1
2	3	6	0
2	8	9	1

12

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

13

		2	9
		2	6
	1	7	4
	5	8	0
	7	5	4

14

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

15

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

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