449
4
28
1079
0
28
987
0
27
861
2
27
918
4
27
970
4
27
812
4
27
1800
0
27
954
0
27
1031
0
27
656
1
26
1047
11
25
617
0
25
762
0
25
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Keyword(s): 数学 相似