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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

		4	5
		4	4
	1	8	0
1	8	0	0
1	9	8	0

9

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

10

		2	6
		4	7
	1	8	2
1	0	4	0
1	2	2	2

11

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

12

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

13

		7	8
		5	0
			0
3	9	0	0
3	9	0	0

14

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

15

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

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