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곱셈 2자리 X 2자리

1

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

2

		3	7
		1	9
	3	3	3
	3	7	0
	7	0	3

3

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

4

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

5

		8	3
		8	0
			0
6	6	4	0
6	6	4	0

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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