2800
1
44
1559
4
44
1974
31
44
1549
0
44
1077
4
44
1080
6
44
1682
0
44
510
0
44
1349
0
44
425
0
44
1475
7
44
4441
0
44
937
0
44
993
0
44
1091
0
44
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Keyword(s): Math