2308
10
41
1660
0
41
1266
0
41
1007
7
41
1022
0
41
837
0
41
979
0
41
1293
0
41
956
0
41
1957
0
41
1125
6
41
560
1
41
2511
0
41
935
8
41
1503
1
41
1901
0
41
982
2
41
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Keyword(s): 数学