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곱셈 2자리 X 2자리

1

		2	8
		1	0
			0
	2	8	0
	2	8	0

2

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

3

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

4

		9	5
		6	5
	4	7	5
5	7	0	0
6	1	7	5

5

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

6

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

7

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

8

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

9

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

10

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

11

		7	5
		5	4
	3	0	0
3	7	5	0
4	0	5	0

12

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

13

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

14

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

15

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

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