20896
17
2998
13034
7
1877
12583
6
1806
3790
0
233
5443
3
214
3151
9
187
2409
4
174
2259
0
173
2053
0
158
1677
2
153
1260
0
138
2996
6
122
1137
5
116
1428
1
92
812
0
90
3299
1
85
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Keyword(s): 数学 公式