2921
18
271
9387
10
268
11114
9
261
12309
0
236
3598
1
229
6108
4
227
9065
1
220
5195
8
218
7405
7
213
10094
4
197
3505
16
191
5344
4
191
4311
20
184
3463
0
182
4692
5
178
4853
8
177
3851
5
176
5444
4
175
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Keyword(s): 公式 数学