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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

		9	5
		5	0
			0
4	7	5	0
4	7	5	0

9

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

10

		5	4
		1	1
		5	4
	5	4	0
	5	9	4

11

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

12

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

13

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

14

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

15

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

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