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곱셈 2자리 X 2자리

1

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

2

		4	8
		1	5
	2	4	0
	4	8	0
	7	2	0

3

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

4

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

5

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

6

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

7

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

8

		8	5
		3	2
	1	7	0
2	5	5	0
2	7	2	0

9

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

10

		1	4
		9	5
		7	0
1	2	6	0
1	3	3	0

11

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

12

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

13

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

14

		5	9
		4	9
	5	3	1
2	3	6	0
2	8	9	1

15

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

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