640
0
17
750
0
17
548
0
17
510
0
17
632
2
17
636
0
17
633
0
17
714
0
16
472
0
16
900
0
16
1038
0
16
537
0
16
531
0
16
580
0
16
737
1
16
547
0
16
884
0
16
708
0
16
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Keyword(s): 中３数学