955
0
50
694
3
50
1497
8
50
1359
4
49
12616
5
49
2079
0
49
626
3
48
591
2
48
575
2
48
548
10
48
1748
0
48
1512
2
47
150
0
47
1003
0
47
1573
6
47
780
0
47
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Keyword(s): 中1 数学