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곱셈 2자리 X 2자리

1

		3	9
		4	2
		7	8
1	5	6	0
1	6	3	8

2

		1	4
		5	0
			0
	7	0	0
	7	0	0

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

		5	1
		5	1
		5	1
2	5	5	0
2	6	0	1

12

		8	6
		2	2
	1	7	2
1	7	2	0
1	8	9	2

13

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

14

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

15

		5	2
		5	7
	3	6	4
2	6	0	0
2	9	6	4

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