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곱셈 2자리 X 2자리

1

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

2

		5	9
		3	0
			0
1	7	7	0
1	7	7	0

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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