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곱셈 2자리 X 2자리

1

		2	8
		7	1
		2	8
1	9	6	0
1	9	8	8

2

		2	2
		4	0
			0
	8	8	0
	8	8	0

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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