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곱셈 2자리 X 2자리

1

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

2

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

3

		1	3
		7	8
	1	0	4
	9	1	0
1	0	1	4

4

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

5

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

6

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

7

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

8

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

9

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

10

		1	1
		8	5
		5	5
	8	8	0
	9	3	5

11

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

12

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

13

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

14

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

15

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

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