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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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