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곱셈 2자리 X 2자리

1

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

2

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

3

		9	3
		1	6
	5	5	8
	9	3	0
1	4	8	8

4

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

5

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

6

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

7

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

8

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

9

		9	2
		2	5
	4	6	0
1	8	4	0
2	3	0	0

10

		2	6
		9	6
	1	5	6
2	3	4	0
2	4	9	6

11

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

12

		8	1
		4	7
	5	6	7
3	2	4	0
3	8	0	7

13

		2	0
		7	3
		6	0
1	4	0	0
1	4	6	0

14

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

15

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

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