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곱셈 2자리 X 2자리

1

		3	9
		8	6
	2	3	4
3	1	2	0
3	3	5	4

2

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

3

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

4

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

5

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

6

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

7

		9	9
		6	2
	1	9	8
5	9	4	0
6	1	3	8

8

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

9

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

10

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

11

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

12

		2	1
		1	1
		2	1
	2	1	0
	2	3	1

13

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

14

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

15

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

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