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곱셈 2자리 X 2자리

1

		3	7
		2	0
			0
	7	4	0
	7	4	0

2

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

3

		4	8
		8	1
		4	8
3	8	4	0
3	8	8	8

4

		2	3
		2	4
		9	2
	4	6	0
	5	5	2

5

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

6

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

7

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

8

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

9

		4	4
		9	9
	3	9	6
3	9	6	0
4	3	5	6

10

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

11

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

12

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

13

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

14

		2	3
		6	7
	1	6	1
1	3	8	0
1	5	4	1

15

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

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