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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

		5	2
		3	1
		5	2
1	5	6	0
1	6	1	2

6

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

7

		6	7
		7	0
			0
4	6	9	0
4	6	9	0

8

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

9

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

10

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

11

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

12

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

13

		9	0
		2	8
	7	2	0
1	8	0	0
2	5	2	0

14

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

15

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

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