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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

		9	2
		3	1
		9	2
2	7	6	0
2	8	5	2

7

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

8

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

9

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

10

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

11

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

12

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

13

		5	0
		7	7
	3	5	0
3	5	0	0
3	8	5	0

14

		1	7
		4	1
		1	7
	6	8	0
	6	9	7

15

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

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