已知数列{a n }满足a 1 =2,a n+1 = a n -1 a n ,S n 是其前n项和,则S 2013 =(
已知数列{an}满足a1=2,an+1=an-1an,Sn是其前n项和,则S2013=()A.20112B.20132C.20152D.20172...
已知数列{a n }满足a 1 =2,a n+1 = a n -1 a n ,S n 是其前n项和,则S 2013 =( ) A. 2011 2 B. 2013 2 C. 2015 2 D. 2017 2
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