1915
11
59
1349
1
30
920
0
26
1112
0
23
1110
0
23
806
0
22
1420
0
21
583
0
20
1024
0
18
722
0
17
847
0
17
836
0
16
679
2
15
579
0
14
2247
0
14
786
0
12
320
10
11
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Keyword(s): 高校数学