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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

		5	8
		3	5
	2	9	0
1	7	4	0
2	0	3	0

6

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

7

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

8

		9	4
		5	2
	1	8	8
4	7	0	0
4	8	8	8

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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