已知数列{An}满足A1=2,A(n+1) = (2An) / (An +2)
已知数列{an}满足a1=100,an+1-an=2n,则a
已知数列{an}满足,a1=2,a(n+1)=3根号an,求通项an
已知数列{an}满足an+1=2an+3.5^n,a1=6.求an
已知数列an满足条件a1=-2 a(n+1)=2an/(1-an) 则an=
已知数列{an}满足a1=33,a(n+1)-an=2n,求an/n的最小值
已知数列{an}满足a1=1,2a(n+1)an+3a(n+1)+an+2=0.
已知数列{an}满足a1=4/3,2-a(n+1)=12/an+6
已知数列{an}满足an=2an-1+2n+2,a1=2
已知数列{AN}满足A1=1,AN+1=2AN+2的N次方.
已知数列{an}满足a1=1/2,sn=n^2an,求通项an
已知数列an满足an=1+2+...+n,且1/a1+1/a2+...+1/an
已知数列an满足a1=1/2 sn=n平方×an 求an