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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

		1	8
		5	8
	1	4	4
	9	0	0
1	0	4	4

15

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

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