2077
21
91
2109
18
90
1884
21
90
1511
4
90
2511
1
89
1867
14
89
2689
2
89
1478
16
89
4073
2
88
4355
0
88
1847
33
88
2275
0
88
2342
28
88
2625
1
87
2955
0
87
1194
0
87
1898
1
86
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Keyword(s): 数学?