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곱셈 2자리 X 2자리

1

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

2

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

3

		7	1
		9	0
			0
6	3	9	0
6	3	9	0

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

		7	8
		5	6
	4	6	8
3	9	0	0
4	3	6	8

13

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

14

		9	9
		3	1
		9	9
2	9	7	0
3	0	6	9

15

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

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