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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

		9	1
		1	0
			0
	9	1	0
	9	1	0

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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