若数列an满足 a1=2011,a2=2012,且An+2=(An+1 +1)/An ,求a2012=?
2个回答
依题知,a3=2013/2011
a4=2/2011
a5=1
a6=2011
a7=2012,从此可以循环,即a2=a7=a12=.=a2012
所以a2012=2012
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