1412
15
61
1536
8
61
1116
6
61
5770
1
61
2350
0
61
1256
10
60
2425
7
60
1341
2
60
1934
10
60
2412
0
60
3681
0
60
1179
2
60
772
4
60
965
0
60
3466
4
60
1434
0
60
1316
9
60
1820
1
60
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Keyword(s): 数学