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共找到 47445 与11-year-oldboy 相关的结果,耗时8 ms
已知数列{an}的前n项和为Sn,点(n,Sn/n)在直线y=1/2x+11/2上,数列{bn}满足已知数列{an}的前n项和为Sn,点(n,Sn/n)在直线y=(1/2)x+(11/2)上,数列{bn}满足b(n+2)-2b(n+1)+bn=0,(n∈N*),且b3=
数学
11,前9项和为153(1)
DATEPART([year],getdate())*100+DATEPART([month],getdate())-'01'谁能帮忙解答这个语句意思
数学
将所给的单词连接成结构完整的句子1.Cindy's,one,only,old,is,year,brother.2.have,contest,in,speech,does,Chinese,Tim,a,August?
英语
______________
已知数列{an}的前n项和为Sn,点(n,Sn/n)在直线y=1/2x+11/2上,数列{bn}满足b(n+2)-2b(n+1)+bn=0,(n∈N*),且b3=11,前9项和为153(1)求数列{an},{bn}的通项公式(2)设cn=3/(2an-11)(2bn-1
数学
),数列{cn}的前n项和为
《开放英语-4》考试题求答案—单选题(11-20道试题)11.11.Itisabadhabitto()others.A.makeafunofB.makefuntoC.makeupforD.makefunof12.7.----Hi,there,everyone.Wehav
英语
here,everyone.
英语翻译BusDriverandPassengersSaveanOldManAt9:00a.m.yesterday,busNo.26wasgoingalongZhonghuaRoadwhenthedriversawanoldmanlyingonthesideofther
英语
man lying on t
这题应该选什么WhatdoyouthinkofiPadintheshop?-Great.ButIwillnotbuyitasabirthdaypresentformy12-year-oldson.A.theB.aC.anD./
英语
n D./
Singapore worries a lot about the fitness of its people.One-third of the people in the country are overweight and about 6% of them arc
其他
too f 1 .Every
one and a half 后加year 还是years
英语
one year and a half 和 one and a half years thanks!
英语
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