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곱셈 2자리 X 2자리

1

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

2

		4	6
		1	0
			0
	4	6	0
	4	6	0

3

		4	2
		4	9
	3	7	8
1	6	8	0
2	0	5	8

4

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

5

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

6

		7	2
		4	9
	6	4	8
2	8	8	0
3	5	2	8

7

		3	6
		4	7
	2	5	2
1	4	4	0
1	6	9	2

8

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

9

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

10

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

11

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

12

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

13

		1	1
		4	0
			0
	4	4	0
	4	4	0

14

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

15

		5	5
		6	6
	3	3	0
3	3	0	0
3	6	3	0

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