2837
5
85
1969
13
85
3841
2
85
1940
3
84
2054
2
84
1420
5
84
4988
0
84
2608
13
84
1545
4
84
2044
19
83
925
5
83
2974
2
83
2411
0
83
4140
25
83
2901
0
83
2377
0
83
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Keyword(s): 数学