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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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