1360
0
63
2630
0
63
1507
2
63
2346
1
62
2615
2
62
1181
2
62
1228
5
62
1248
11
62
1965
13
62
3265
0
62
1759
4
62
2140
9
62
1001
3
62
2276
0
62
1345
6
62
1321
9
62
5836
6
62
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Keyword(s): 数学