2179
33
88
2380
0
88
2985
28
88
1696
0
88
2895
1
87
3316
0
87
1303
0
87
2157
1
86
3493
4
86
1709
2
86
6839
1
86
1937
0
86
2426
3
86
3419
0
86
7616
0
85
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Keyword(s): #数学