2121
0
73
5721
0
73
764
7
72
1581
0
72
1875
2
72
2081
0
72
3911
1
72
1869
4
72
3562
8
72
848
3
72
1901
3
72
18640
5
71
2497
0
71
1197
2
71
569
2
71
3243
13
71
1561
0
71
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Keyword(s): Math