已知数列an,an^2 +1/an=2n,求an
已知数列{An},An+1=2(n+1)+An,求数列An通向
已知数列{an}满足an+1=2an+3.5^n,a1=6.求an
已知数列{an},a1=1,an+1-an=2^n,求数列{an}通项公式
已知数列an满足a1=1/2 sn=n平方×an 求an
已知数列{an},满足a1=1/2,Sn=n²×an,求an
数列{an},a1=1,an+1=2an-n^2+3n,求{an}.
已知数列{an}满足a1=1/2,an+1=an+1/n的平方+n求an
已知数列an中,a1=2,an+1=an+lg(n/n+1)求an
已知数列{an}满足a1=33,an+1-an=2n 则求an/n?
已知数列{an}满足a1=33,an+1-an=2n 则求an/n的最小值
已知数列{an}满足a1=1,an=(an-1)/3an-1+1,(n>=2,n属于N*),求数列{an}的通项公式
已知数列{an}中a1=6,且an-an-1=(an-1/n)+n+1(n属于N*,n≥2),求an