a1=1,an=an/1+an

数列an中,a1=3,an+1=an/2an+1,则an=?数列an中,a1=3,an+1=an/2an+1,则an=?数列an中,a1=3,an+1=an/2an+1,则an=?a(n+1)=an/

已知数列{an}满足a1=1an+1=an/(3an+1)则球an已知数列{an}满足a1=1an+1=an/(3an+1)则球an已知数列{an}满足a1=1an+1=an/(3an+1)则球an求

已知等差数列{an}中,a1=2.an+1=an+3分之an求an已知等差数列{an}中,a1=2.an+1=an+3分之an求an已知等差数列{an}中,a1=2.an+1=an+3分之an求ana

数列{An}满足a1=1/2,a1+a2+..+an=n方an,求an数列{An}满足a1=1/2,a1+a2+..+an=n方an,求an数列{An}满足a1=1/2,a1+a2+..+an=n方a

数列{an}中,2an*an+1+2an+1-an=0,a1=1,an=?数列{an}中,2an*an+1+2an+1-an=0,a1=1,an=?数列{an}中,2an*an+1+2an+1-an=

已知数列{an}中满足(An+1-An)(An+1+An)=16,且a1=1,an已知数列{an}中满足(An+1-An)(An+1+An)=16,且a1=1,an已知数列{an}中满足(An+1-A

数列｛an｝中,a1=1/23an*an-1+an-an-1=0,通项公式an数列｛an｝中,a1=1/23an*an-1+an-an-1=0,通项公式an数列｛an｝中,a1=1/23an*an-1

已知a1=2,an不等于0,且an+1-an=2an+1an,求an已知a1=2,an不等于0,且an+1-an=2an+1an,求an已知a1=2,an不等于0,且an+1-an=2an+1an,求

A1=1,An+1=3An/(3An+6)证(1/An)+1等比A1=1,An+1=3An/(3An+6)证(1/An)+1等比A1=1,An+1=3An/(3An+6)证(1/An)+1等比a(n+

在数列an中,a1=1,an=3an-1+2则an=在数列an中,a1=1,an=3an-1+2则an=在数列an中,a1=1,an=3an-1+2则an=an=3an-2+2=>an+1=3(an-

a1=1,an+1=an/(3+an),求an=?（n为下标）a1=1,an+1=an/(3+an),求an=?（n为下标）a1=1,an+1=an/(3+an),求an=?（n为下标）an+1=an

已知数列{an}中,a1=1/2,an+1+3an=0,an=()已知数列{an}中,a1=1/2,an+1+3an=0,an=()已知数列{an}中,a1=1/2,an+1+3an=0,an=()a

数列{An}中,A1=1,An=0.5An-1-0.5,则An=_________.数列{An}中,A1=1,An=0.5An-1-0.5,则An=_________.数列{An}中,A1=1,An=

设数列{an}中,a1=2,an+1=an+n+1,则通项an=?设数列{an}中,a1=2,an+1=an+n+1,则通项an=?设数列{an}中,a1=2,an+1=an+n+1,则通项an=?a

数列{an}满足a1=1an+1=2n+1an/an+2n数列{an}满足a1=1an+1=2n+1an/an+2n数列{an}满足a1=1an+1=2n+1an/an+2n(1)a(n+1)/2^(

在数列{an}中,a1=1,an+1=an/1+nan,求an在数列{an}中,a1=1,an+1=an/1+nan,求an在数列{an}中,a1=1,an+1=an/1+nan,求anAn+1=An

已知｛an｝,a1=1,an+1=2/3an+1,求an已知｛an｝,a1=1,an+1=2/3an+1,求an已知｛an｝,a1=1,an+1=2/3an+1,求anA(n+1)+x=2/3An+1

an+1,n+1是下表,an+1=an^3a1=2,求anan+1,n+1是下表,an+1=an^3a1=2,求anan+1,n+1是下表,an+1=an^3a1=2,求anan=2^3*（n-1）（

数列an中,a1=3,an+1=3an,则an=,sn=数列an中,a1=3,an+1=3an,则an=,sn=数列an中,a1=3,an+1=3an,则an=,sn=a(n+1)=3ana(n+1)

已知数列{an}中a1=1,an+1=3an/an+3,求通项公式已知数列{an}中a1=1,an+1=3an/an+3,求通项公式已知数列{an}中a1=1,an+1=3an/an+3,求通项公式a