939
0
9
236
0
9
470
0
9
705
0
8
318
0
8
402
0
8
247
3
8
393
0
8
345
0
8
713
3
8
704
0
8
532
0
8
424
0
7
348
0
7
331
0
7
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Keyword(s): 理数