320
4
19
865
0
19
790
1
19
1120
0
19
955
1
19
366
1
19
552
0
19
1049
0
19
1625
0
19
666
1
19
939
1
19
916
0
18
1476
0
18
1959
0
18
627
0
18
1074
2
18
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Keyword(s): 定理