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뺄셈 3자리 - 1자리

2	7	9
		1
2	7	8

6	7	3
		6
6	6	7

2	1	5
		3
2	1	2

2	7	3
		1
2	7	2

9	2	5
		1
9	2	4

1	2	8
		2
1	2	6

2	6	9
		1
2	6	8

6	7	2
		8
6	6	4

3	0	2
		1
3	0	1

2	8	7
		3
2	8	4

8	3	5
		5
8	3	0

3	4	5
		3
3	4	2

5	0	7
		1
5	0	6

1	2	4
		3
1	2	1

7	3	0
		2
7	2	8