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곱셈 2자리 X 2자리

1

		1	0
		7	4
		4	0
	7	0	0
	7	4	0

2

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

3

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

4

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

5

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

6

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

7

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

8

		4	6
		1	0
			0
	4	6	0
	4	6	0

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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