801
6
55
1925
0
55
1352
3
55
1165
6
55
1477
10
55
2137
2
55
2872
2
55
944
12
55
2294
6
55
1207
5
55
1036
14
55
1231
10
55
917
0
55
1046
0
55
2252
0
55
1988
7
55
4586
3
55
1147
1
54
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Keyword(s): 数学