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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

		6	1
		3	9
	5	4	9
1	8	3	0
2	3	7	9

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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