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곱셈 2자리 X 2자리

1

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

2

		9	8
		4	8
	7	8	4
3	9	2	0
4	7	0	4

3

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

4

		3	4
		6	4
	1	3	6
2	0	4	0
2	1	7	6

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		1	0
		1	2
		2	0
	1	0	0
	1	2	0

14

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

15

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

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