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뺄셈: 3 - 13-0

3	0	5
		4
3	0	1

7	1	4
		6
7	0	8

3	0	0
		6
2	9	4

5	4	4
		5
5	3	9

8	7	2
		9
8	6	3

8	3	8
		7
8	3	1

6	0	9
		4
6	0	5

8	5	5
		1
8	5	4

2	3	3
		3
2	3	0

2	2	0
		2
2	1	8

1	1	2
		7
1	0	5

5	9	6
		5
5	9	1

7	2	5
		5
7	2	0

2	9	1
		3
2	8	8

6	1	1
		2
6	0	9