150
0
6
206
1
6
128
0
6
215
0
6
577
0
6
147
0
6
226
2
5
263
0
5
212
0
5
185
0
4
257
0
4
254
0
4
218
0
3
137
0
3
266
2
3
171
2
2
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Keyword(s): 数学 応用