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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

		6	3
		1	5
	3	1	5
	6	3	0
	9	4	5

9

		3	9
		4	1
		3	9
1	5	6	0
1	5	9	9

10

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

11

		2	3
		1	0
			0
	2	3	0
	2	3	0

12

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

13

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

14

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

15

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

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