593
0
5
694
0
5
1909
0
5
469
1
5
549
0
5
470
0
5
542
0
5
790
0
5
519
0
5
490
0
5
389
0
5
889
0
5
254
0
5
660
0
5
575
0
5
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Keyword(s): 定理