1757
12
30
602
0
30
341
0
30
515
0
29
542
0
25
222
0
24
360
1
23
427
0
23
662
16
23
640
0
22
542
2
22
692
0
22
436
0
21
455
0
21
422
1
21
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Keyword(s): 不等式