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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

		5	8
		7	5
	2	9	0
4	0	6	0
4	3	5	0

5

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

6

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

7

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

8

		7	4
		4	8
	5	9	2
2	9	6	0
3	5	5	2

9

		4	6
		5	6
	2	7	6
2	3	0	0
2	5	7	6

10

		3	7
		1	0
			0
	3	7	0
	3	7	0

11

		6	5
		9	9
	5	8	5
5	8	5	0
6	4	3	5

12

		3	9
		3	1
		3	9
1	1	7	0
1	2	0	9

13

		4	0
		2	0
			0
	8	0	0
	8	0	0

14

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

15

		5	1
		7	1
		5	1
3	5	7	0
3	6	2	1

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