已知数列a1=2,an+1=an+n,则数列的第十项为在

已知数列{an},a1=2,an+1=an+2n,则数列的通项公式an=? 已知数列{an}满足a1=1,an+1·an=2^n 则s2012 已知数列{an},an=2^n,则1/a1+1/a2+...+1/an等于多少? 已知数列{an}满足an+1=an+n,a1等于1,则an=? 已知数列an,a1=1 an+1-an=2的n次幂求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an+1/an=n+2/n且a1=1,则an= 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=33,an+1-an=2n 则求an/n? 已知数列an满足a1=33 an+1 -an=2n 则an/n的最小值是? 已知数列{an}满足a1=33,an+1-an=2n,则an/n的最小值为 已知数列{An}满足A1=33.,An+1-An=2n,则An/n的最小值是 已知数列{an}满足a1=16,An+1-An=2n,则an/n的最小值为 详解 已知数列{an}满足a1=100,an+1-an=2n 则求an/n的最小值? 已知数列{an}满足a(n+1)=an+n,a1=1,则an= 已知数列｛an｝中,a(n+1)=an+2^n,a1=3,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=1,a(n+1)=an/(3an+2),则an=?