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곱셈 2자리 X 2자리

1

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

2

		1	1
		9	1
		1	1
	9	9	0
1	0	0	1

3

		4	5
		2	2
		9	0
	9	0	0
	9	9	0

4

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

5

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

6

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

7

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

8

		9	1
		2	1
		9	1
1	8	2	0
1	9	1	1

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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