809
0
48
898
8
48
1009
8
48
2604
14
47
1420
29
47
638
0
44
671
5
44
829
7
44
653
1
43
609
5
40
759
3
39
1627
0
38
892
2
37
781
2
37
1227
11
37
552
4
35
813
0
35
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Keyword(s): 数学 問題