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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

		7	9
		3	7
	5	5	3
2	3	7	0
2	9	2	3

11

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

12

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

13

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

14

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

15

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

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