2580
2
78
3320
0
77
14032
2
77
2880
1
77
2465
0
77
2255
0
77
16065
1
76
1829
0
76
1748
2
76
1928
2
76
3612
3
76
9864
1
75
1012
2
75
2150
5
75
1464
0
75
1448
2
75
1208
0
75
1922
0
75
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Keyword(s): 数学∥