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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

		1	0
		5	8
		8	0
	5	0	0
	5	8	0

11

		4	4
		6	2
		8	8
2	6	4	0
2	7	2	8

12

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

13

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

14

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

15

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

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