228
0
5
307
0
5
3447
0
5
394
0
5
275
0
5
639
0
5
449
0
5
247
0
5
322
0
5
361
0
5
237
0
5
185
0
4
267
0
4
205
0
4
220
0
4
306
0
4
171
0
4
420
0
4
217
0
4
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Keyword(s): 高1数学