3611
0
75
2776
0
74
1750
0
74
687
0
74
4394
4
74
2420
0
74
1306
0
74
1691
0
74
1667
0
74
2592
0
74
1976
2
74
7681
0
73
4423
0
73
3220
5
73
2047
2
73
960
0
72
1870
2
72
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Keyword(s): 数学