212
0
5
352
0
5
739
0
5
356
0
5
220
0
5
295
3
5
333
0
5
264
0
5
345
0
4
212
0
4
441
5
4
265
0
4
375
0
3
301
0
3
292
0
3
314
6
3
505
7
3
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Keyword(s): 不等式