1538
10
30
921
0
28
820
1
25
591
1
24
1007
1
24
622
0
22
529
0
21
849
4
21
1049
1
20
1146
2
20
580
0
20
667
1
20
1543
0
19
892
2
19
713
2
18
739
0
18
1131
1
18
963
1
17
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Keyword(s): 中一数学