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곱셈 2자리 X 2자리

1

		8	4
		1	0
			0
	8	4	0
	8	4	0

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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