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뺄셈 3자리 - 1자리

2	3	7
		2
2	3	5

2	3	1
		5
2	2	6

4	2	4
		2
4	2	2

9	1	8
		2
9	1	6

3	0	3
		3
3	0	0

6	4	8
		4
6	4	4

4	1	1
		8
4	0	3

1	5	8
		2
1	5	6

2	1	8
		4
2	1	4

9	5	0
		5
9	4	5

4	7	1
		6
4	6	5

3	8	2
		9
3	7	3

5	6	2
		2
5	6	0

6	1	1
		2
6	0	9

4	5	7
		7
4	5	0