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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

		8	4
		4	0
			0
3	3	6	0
3	3	6	0

5

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

6

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

7

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

8

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

9

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

10

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

11

		3	4
		2	7
	2	3	8
	6	8	0
	9	1	8

12

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

13

		4	5
		5	6
	2	7	0
2	2	5	0
2	5	2	0

14

		2	3
		1	6
	1	3	8
	2	3	0
	3	6	8

15

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

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