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곱셈 2자리 X 2자리

1

		4	9
		3	8
	3	9	2
1	4	7	0
1	8	6	2

2

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

3

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

4

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

5

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

6

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

7

		2	8
		2	8
	2	2	4
	5	6	0
	7	8	4

8

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

9

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

10

		2	3
		4	0
			0
	9	2	0
	9	2	0

11

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

12

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

13

		1	5
		4	1
		1	5
	6	0	0
	6	1	5

14

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

15

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

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