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곱셈 2자리 X 2자리

1

		3	8
		4	5
	1	9	0
1	5	2	0
1	7	1	0

2

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

3

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

4

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

5

		8	6
		5	5
	4	3	0
4	3	0	0
4	7	3	0

6

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

7

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

8

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

9

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

10

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

11

		1	2
		9	9
	1	0	8
1	0	8	0
1	1	8	8

12

		4	4
		6	6
	2	6	4
2	6	4	0
2	9	0	4

13

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

14

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

15

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

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