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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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