247
0
5
190
0
5
218
0
5
359
0
5
264
0
5
260
0
5
209
0
5
870
0
5
459
0
5
275
0
4
210
0
4
221
0
4
716
0
4
482
0
4
176
0
3
286
0
3
231
0
3
287
0
3
169
0
3
405
2
3
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Keyword(s): 高2数学