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뺄셈 3자리 - 1자리

6	2	0
		3
6	1	7

3	8	1
		3
3	7	8

1	3	1
		6
1	2	5

6	1	2
		7
6	0	5

4	6	4
		8
4	5	6

1	4	2
		6
1	3	6

2	9	1
		1
2	9	0

9	8	7
		1
9	8	6

2	5	4
		8
2	4	6

2	1	1
		4
2	0	7

6	3	6
		9
6	2	7

3	0	1
		1
3	0	0

4	4	1
		3
4	3	8

4	3	9
		1
4	3	8

2	5	8
		4
2	5	4