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곱셈 4자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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