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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

		5	8
		4	4
	2	3	2
2	3	2	0
2	5	5	2

6

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

7

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

8

		9	6
		1	1
		9	6
	9	6	0
1	0	5	6

9

		5	5
		2	2
	1	1	0
1	1	0	0
1	2	1	0

10

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

11

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

12

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

13

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

14

		9	1
		5	3
	2	7	3
4	5	5	0
4	8	2	3

15

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

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