1358
4
84
1774
19
83
817
5
83
2770
2
83
2197
0
83
3912
25
83
1879
2
83
2711
0
83
2254
3
83
7338
19
82
2047
0
82
1289
16
82
3201
8
82
2378
8
82
1492
23
81
20967
5
81
1870
5
81
2719
8
81
3488
19
80
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Keyword(s): 数学