等差数列an,bn的前n项和Sn,Tn满足Sn/Tn=3n+1/2n+5,则a3/b3=

等差数列{an},{bn}的前n项和分别为Sn,Tn,若Sn/Tn=2n/3n+1,求an/bn的表达式 等差数列An,Bn的前n项合分别为Sn和Tn,若Sn/Tn=2n/3n+1,求An/Bn的表达式. 已知两个等差数列{an},{bn}的前n项的和分别为Sn,Tn.若Sn/Tn=(5n+3)/(2n-1).求an/bn 等差数列{an}、{bn}的前n项和分别为Sn、Tn,若Sn/Tn=2n/3n+1,求an/bn 等差数列{an},{bn}的前n项和分别为Sn,Tn,若Sn/Tn=2n/3n+1 ,则an/bn= 已知两个等差数列{an},{bn}的前n项和分别是Sn,Tn,若 Sn/Tn =(2n)/(3n+1),则 an/bn=______. 等差数列an`bn`的前n项和分别为Sn`Tn.若Sn/Tn=(7n+1)/(4n+27),求an/bn 等差数列｛an｝,｛bn｝的前n项和分别为Sn,Tn,An/Bn=(7n+1)/(4n+27) 求Sn/Tn 两个等差数列{an},{bn}的前n项和分别为Sn,Tn,若Sn/Tn=2n/3n+1,求an/bn. 两个等差数列{an},{bn}的前n项和分别为Sn,Tn,若Sn/Tn=2n/3n+1,求an/bn. 已知等差数列an,bn,的前n项和分别为Sn,Tn,若Sn/Tn=2n/3n+1,求an/bn, 等差数列一道题{an}{bn}是等差数列前n项的和分别是Sn和Tn sn/tn =7n+2/n+3 求a5/b5 关于等差数列前n项和的问题思路 例题 等差数列中{an}的前n项和为Tn,{bn}的前n项和为Sn Tn/Sn=2n/m+1 求a8/b8 ,an/bn 等差数列{An},{Bn}的前n项和分别为Sn与Tn.若Sn/Tn=2n/(3n+1),则An/Bn=____.等差数列｛An},{Bn}的前n项和分别为Sn与Tn.若Sn/Tn=2n/(3n+1),则An/Bn=____. 等差数列{an}和{bn}的前n项和分别记为Sn和Tn.若Sn/Tn=(n+3)/(n+1),求a10/b10的值. 等差数列an和bn的前n项和分别为sn和tn,且sn/tn=2n/3n+1,则a5/b5=? 两个等差数列｛an｝和｛bn｝的前n项和分别为Sn和Tn若Sn/Tn=3n+7 / n+2,则a7/b7=? 等差数列an和bn的前n项和分别是Sn和Tn,且Sn/Tn=(3n-3)/(2n+3),求a10/b7同上