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곱셈 2자리 X 2자리

1

		3	6
		2	5
	1	8	0
	7	2	0
	9	0	0

2

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

3

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

4

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

5

		8	4
		9	7
	5	8	8
7	5	6	0
8	1	4	8

6

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

7

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

8

		5	8
		3	1
		5	8
1	7	4	0
1	7	9	8

9

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

10

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

11

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

12

		2	5
		3	5
	1	2	5
	7	5	0
	8	7	5

13

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

14

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

15

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

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