2688
2
24
687
3
24
682
0
24
1156
0
24
414
0
24
3269
0
24
1625
0
24
532
0
24
5563
0
24
474
0
24
1399
0
24
2870
2
24
1543
0
24
818
0
24
778
2
23
779
0
23
761
0
23
1698
0
23
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Keyword(s): #数学a