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곱셈 2자리 X 2자리

1

		2	8
		8	3
		8	4
2	2	4	0
2	3	2	4

2

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

3

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

4

		5	5
		5	5
	2	7	5
2	7	5	0
3	0	2	5

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		9	4
		1	5
	4	7	0
	9	4	0
1	4	1	0

14

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

15

		9	1
		5	0
			0
4	5	5	0
4	5	5	0

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