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곱셈 2자리 X 2자리

1

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

2

		9	8
		5	8
	7	8	4
4	9	0	0
5	6	8	4

3

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

4

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

5

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

6

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

7

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

8

		9	1
		5	5
	4	5	5
4	5	5	0
5	0	0	5

9

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

10

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

11

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

12

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

13

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

14

		8	2
		1	0
			0
	8	2	0
	8	2	0

15

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

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