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곱셈 2자리 X 2자리

1

		1	4
		5	0
			0
	7	0	0
	7	0	0

2

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

3

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

4

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

5

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

6

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

7

		7	5
		5	3
	2	2	5
3	7	5	0
3	9	7	5

8

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

9

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

10

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

11

		4	1
		6	1
		4	1
2	4	6	0
2	5	0	1

12

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

13

		1	1
		8	3
		3	3
	8	8	0
	9	1	3

14

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

15

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

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