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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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