1213
0
38
1025
2
38
1002
0
38
660
0
38
823
0
38
855
0
38
1163
7
37
947
0
37
1781
0
37
2865
0
37
797
6
37
1414
0
37
809
0
37
1866
3
37
1736
0
37
824
0
37
1574
23
36
608
3
36
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Keyword(s): 数学 問題