1644
4
40
1741
2
40
861
4
40
2313
6
40
1381
0
40
1172
2
40
1399
0
39
838
0
39
1082
11
39
1260
0
39
1146
0
39
702
4
39
1155
1
39
629
0
39
1262
1
39
934
2
39
982
0
39
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Keyword(s): 数学