527
2
9
789
0
9
242
0
9
570
2
9
932
7
9
1607
4
9
200
0
9
261
3
8
337
2
8
241
6
8
440
0
8
513
2
8
126
0
8
777
0
8
249
0
7
343
0
7
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Keyword(s): 数学 用語