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곱셈 2자리 X 2자리

1

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

2

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

3

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

4

		3	4
		6	0
			0
2	0	4	0
2	0	4	0

5

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

6

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

7

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

8

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

9

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

10

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

11

		4	0
		6	4
	1	6	0
2	4	0	0
2	5	6	0

12

		3	0
		1	2
		6	0
	3	0	0
	3	6	0

13

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

14

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

15

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

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