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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

		8	4
		5	0
			0
4	2	0	0
4	2	0	0

11

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

12

		1	6
		3	0
			0
	4	8	0
	4	8	0

13

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

14

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

15

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

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