722
0
12
1034
0
12
561
0
12
850
0
12
469
0
12
534
0
12
227
0
12
604
0
12
799
0
12
199
0
12
1542
0
12
793
0
12
1069
0
12
300
0
12
827
0
12
249
0
12
466
0
12
308
0
12
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Keyword(s): 数学b