343
0
7
286
0
7
231
2
7
411
0
7
428
6
7
570
3
7
850
3
7
661
0
7
446
0
7
680
0
7
331
0
6
404
0
6
250
0
6
276
0
6
393
0
6
855
0
6
345
0
6
631
0
6
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Keyword(s): 数学 用語