447
0
14
2734
0
14
869
0
14
672
0
14
1328
3
14
813
0
14
1193
0
14
625
0
14
537
0
13
760
0
13
418
0
13
731
0
13
206
0
13
372
0
13
1228
0
13
469
0
13
476
0
13
893
0
13
1291
0
13
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Keyword(s): 数学i a