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곱셈 2자리 X 2자리

1

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

2

		7	2
		2	1
		7	2
1	4	4	0
1	5	1	2

3

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

4

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

5

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

6

		4	5
		6	1
		4	5
2	7	0	0
2	7	4	5

7

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

8

		7	6
		2	7
	5	3	2
1	5	2	0
2	0	5	2

9

		2	3
		4	0
			0
	9	2	0
	9	2	0

10

		2	7
		5	6
	1	6	2
1	3	5	0
1	5	1	2

11

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

12

		1	9
		5	3
		5	7
	9	5	0
1	0	0	7

13

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

14

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

15

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

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