1538
10
30
921
0
28
621
0
28
811
8
28
616
0
28
857
0
28
665
4
28
1160
0
28
759
20
27
1240
0
27
441
0
27
749
4
26
723
0
26
502
2
26
775
0
26
820
1
25
905
2
25
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Keyword(s): 中一 数学