3066
5
73
1780
0
73
956
6
73
2057
2
73
1488
31
73
2254
0
73
5896
0
73
818
7
72
1678
0
72
2132
0
72
4102
1
72
1956
4
72
3721
8
72
885
3
72
1919
3
72
860
2
72
1641
9
72
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Keyword(s): 数学