160
0
6
345
0
6
194
0
5
289
0
5
137
0
4
291
0
4
157
4
4
245
4
4
120
0
3
308
1
3
138
0
3
227
0
3
107
0
2
195
5
1
182
0
1
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Keyword(s): 数学 中学1年