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곱셈 2자리 X 2자리

1

		5	6
		7	4
	2	2	4
3	9	2	0
4	1	4	4

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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