2811
0
34
921
0
34
669
4
34
871
2
34
1351
0
34
1153
2
34
780
0
34
4517
1
34
1668
0
34
877
0
34
1505
0
34
1169
2
34
1833
0
34
1183
0
34
1201
2
34
748
8
34
1632
0
34
946
2
34
867
0
34
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Keyword(s): 数学