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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

		9	4
		1	5
	4	7	0
	9	4	0
1	4	1	0

13

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

14

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

15

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

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