207
0
8
685
0
8
578
0
7
623
0
7
686
2
7
934
0
7
253
0
7
329
0
7
1031
0
7
903
0
7
551
10
7
304
0
7
416
6
7
387
0
6
599
3
6
315
2
6
506
1
6
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Keyword(s): 数学Ⅱ