设数列{an}满足:a1=2,an+1=1-1an,记数列{an}的前n项之积为Πn,则Π2013的为( )A.-12B.-1C.12
设数列{an}满足:a1=2,an+1=1-1an,记数列{an}的前n项之积为Πn,则Π2013的为()A.-12B.-1C.12D.2...
设数列{an}满足:a1=2,an+1=1-1an,记数列{an}的前n项之积为Πn,则Π2013的为( )A.-12B.-1C.12D.2
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