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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

		5	1
		6	3
	1	5	3
3	0	6	0
3	2	1	3

11

		7	2
		3	0
			0
2	1	6	0
2	1	6	0

12

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

13

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

14

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

15

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

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