6680
8
307
6806
0
306
8617
9
306
5575
0
305
8412
0
298
51763
0
295
8098
0
289
8047
0
288
5533
9
284
5161
4
280
10561
21
279
7413
19
278
6634
2
274
6373
13
274
4448
0
270
9849
7
268
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Keyword(s): 数学∥