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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

		3	3
		5	5
	1	6	5
1	6	5	0
1	8	1	5

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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