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共回答了17个问题采纳率:94.1% 举报
1年前
回答问题
已知数列{an}满足a1=1,a2=a>0,数列{bn}满足bn=an•an+1
1年前1个回答
已知数列{an}满足a1=0,a2=2,且对任意m、n∈N*都有a2m-1+a2n-1=2am+n-1+2(m-n)2
1年前3个回答
已知数列{an}满足 a1=2,a2=8,an+2=4an+1-4an.
已知数列{an}满足:a1=1/4,a2=3/4,2an=a(n-1)+a(n+1),
已知数列{an}满足a1=x,a2=3x,Sn+1+Sn+Sn-1=3n2+2(n≥2,n∈N*),Sn是数列{an}的
已知数列{an},其中a1=4/3,a2=13/9,且当n≥3时,an-a(n-1)=1/3[a(n-1)-a(n-2)
已知数列{an}中a1=2/3,a2=8/9,当n>=2时,3a(n+1)=4an-a(n-1) 证明{a(n+1)-a
已知数列{an}中,a1=5/6,a2=19/36,且数列{bn}是公差为-1的等差数列,其中b1=Log2 [a(n+
已知数列{an}满足a1=1,a2=3,an+2=3an+1-2an(n∈N*).
(2014•安徽模拟)已知数列{an}满足a1=1,a2=3,an+2=an+1-an,n∈N*,利用如图所示的程序框图
已知数列{an}满足a1=2,a2=1且an−1−anan•an−1=an−an+1an•an+1(n≥2,n∈N),则
已知数列{an}满足a1=1,a2=-13,an+2-2an+1+an=2n-6
已知数列{an}满足a1=1,a2=2,an+2=an+an+12,n∈N*.
已知数列{an}满足a1=1,a2=1,an+1=|an-an-1|(n≥2),则该数列前2011项的和S2011等于(
(2008•上海)已知数列{an}:a1=1,a2=2,a3=r,an+3=an+2(n是正整数),与数列{bn}:b1
(2010•四川)已知数列{an}满足a1=0,a2=2,且对任意m、n∈N*都有a2m-1+a2n-1=2am+n-1
已知数列{an}满足a1=1,a2=3,an+1=4an−3an−1(n∈N*且n≥2).
已知数列{an}满足a1=5,a2=5,a(n+1)=an+6a(n-1)(n≥2)...我是答案看不懂.
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(476*873+675)/(476*874+199)简便计算