565
0
19
957
8
19
828
0
19
600
1
19
1024
0
18
764
0
18
812
0
18
614
0
18
992
0
18
910
2
18
661
0
18
413
0
18
1358
0
18
1112
0
18
587
0
18
715
0
18
1002
0
18
796
0
18
390
0
18
672
0
18
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Keyword(s): #中2数学