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곱셈 2자리 X 2자리

1

		5	7
		3	3
	1	7	1
1	7	1	0
1	8	8	1

2

		1	9
		5	0
			0
	9	5	0
	9	5	0

3

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

4

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

5

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

6

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

7

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

8

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

9

		6	6
		3	7
	4	6	2
1	9	8	0
2	4	4	2

10

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

11

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

12

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

13

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

14

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

15

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

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