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나눗셈: 2 ÷ 15÷5

1
13
4
55
40
15
12
3
2
7
3
21
21
0
3
5
4
21
20
1
4
5
8
40
40
0
5
11
3
35
30
5
3
2
6
3
9
31
27
4
7
12
6
72
60
12
12
0
8
10
4
42
40
2
9
10
9
91
90
1
10
21
4
84
80
4
4
0
11
5
8
41
40
1
12
8
5
40
40
0