1361
4
84
2200
0
83
1731
6
80
3233
4
79
1536
2
79
2065
12
79
935
6
79
2241
1
77
1991
0
77
2752
0
77
1433
6
74
1848
6
74
1253
31
73
1785
2
72
1805
4
72
3763
1
72
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Keyword(s): 数学 公式