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곱셈 2자리 X 2자리

1

		3	4
		2	0
			0
	6	8	0
	6	8	0

2

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

3

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

4

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

5

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

6

		4	6
		4	0
			0
1	8	4	0
1	8	4	0

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

		5	4
		1	0
			0
	5	4	0
	5	4	0

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