2853
0
72
1818
1
72
1442
2
71
6967
0
71
1795
0
71
4659
0
71
1159
1
71
20281
0
71
1765
0
70
1690
1
70
2691
0
70
1761
1
70
2943
0
70
2999
0
70
1604
9
70
2167
0
70
4474
0
69
2395
0
69
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Keyword(s): #数学