250
0
12
2775
0
12
784
0
12
3586
0
12
2466
0
12
226
0
11
3298
0
11
2887
0
11
5120
0
11
865
0
11
4405
0
11
3883
0
10
1706
0
10
2408
0
10
4786
0
10
531
0
9
319
0
9
779
0
9
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Keyword(s): 高2数学