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곱셈 2자리 X 2자리

1

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

2

		5	1
		7	0
			0
3	5	7	0
3	5	7	0

3

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

4

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

5

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

6

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

7

		3	5
		3	1
		3	5
1	0	5	0
1	0	8	5

8

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

9

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

10

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

11

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

12

		5	4
		5	5
	2	7	0
2	7	0	0
2	9	7	0

13

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

14

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

15

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

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