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곱셈 2자리 X 2자리

1

		1	2
		2	4
		4	8
	2	4	0
	2	8	8

2

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

3

		9	8
		5	5
	4	9	0
4	9	0	0
5	3	9	0

4

		4	4
		6	0
			0
2	6	4	0
2	6	4	0

5

		3	0
		3	1
		3	0
	9	0	0
	9	3	0

6

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

7

		3	2
		2	0
			0
	6	4	0
	6	4	0

8

		2	2
		1	2
		4	4
	2	2	0
	2	6	4

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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