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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

		3	6
		2	2
		7	2
	7	2	0
	7	9	2

7

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

8

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

9

		5	5
		2	1
		5	5
1	1	0	0
1	1	5	5

10

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

11

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

12

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

13

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

14

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

15

		2	1
		9	1
		2	1
1	8	9	0
1	9	1	1

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