二道白河镇住宿

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f(x)在(0,1)上可导,在[0,1]连续.且f(1)=0,试证明存在ξ属于[0,1]使得f(ξ)'= -2f(ξ)/ξ成立 as well known.China is the tired country_____its astronaut in space after Russia and the USA.AsndBsendsCsendingDto send He played football last week.(把last week改成every day和now) 按要求完成下列句子we played football with our classmates last week1,we played football with our classmates last week改为一般疑问句【 】you【 】football with【 】 classmates last week2,the children are playing in the playground We played _____last week.A.happy enoughB.happily enoughC.enough happilyWHY? China is the third country humans into Earth orbit after Russia and the U.S.A.to independently lChina is the third country _____ humans into Earth orbit after Russia and the U.S.A.to independently launch B.having independently launched C.to be indepe 求information on home-schooling and virtual teaching in the USA,England,China and any other countrY 3. 农贸市场上,一个个体菜贩运来西红柿和茄子共385千克,西红柿卖掉2/3,茄子卖掉60%后,剩下的两种菜相等.求运来西红柿和茄子各多少千克? 只用圆规和直尺怎么样才能把一个圆等分成5份 还是六年级上册的一道数学题,会的请欢迎光顾,现在火车提速20%,那么你知道所用时间节约了百分之几吗?说说你是怎么想的. 会的请欢迎光顾,一件商品,如果卖500元,可赚25%;如果卖600元可赚百分之几?顺便再问一个哦,大虾们费费脑力啊:有一根电线,截取20%后再接上60米,结果比原来长5分之三。这根电线原来长多 We played football last Wednesday对划线部分提问,画线:played football 【2010年】国庆晚会观后感!一定要与剧情符合,看清楚哟?2010年的.好的+分.不要很多字,200字就行了.写得不需很好,普通小学水平就行了.至于那些来看不写的,就希望保持沉默. they played football last saturday.薱they提问 2010年国庆节晚会观后感 ( )10 Did you _______ football last Saturday?A play B played C playing( )9 Tom ______ to the park and saw many flowers.A goes B went C go 【完形填空】Last Saturday,the City Beath High School football team played against the..【完形填空】Last Saturday,the City Beath High School football team played against the Green Hill High School football team.David was the captain of the 用一个正多边形的木板铺地,拼在一起并相交于一点的各边完全吻合,如果其中两块木板的边数为5,则第三块木则第三块木板的边数为多少? 您好!如果只有直尺和圆规怎么将一个圆9等份呢? 冀教版小学语文六年级上册第七课的小练笔怎么写 英语翻译 :用三块正多边形的木板铺地,拼在一起并相交于一点的各边完全吻:用三块正多边形的木板铺地,拼在一起并相交于一点的各边完全吻合,其中两块木板的边数都是8,则第三块木板的边数应事:A .4 丑小鸭遭遇了哪些歧视与打击?它是如何面对的?还要概括一下你对丑小鸭这一形象的认识和评价,丑小鸭的形象有什么象征意义 安徒生的一生遇到的挫折和丑小鸭有什么相似点观点+分析 今天之前回答 so want to make friend with you*sure you 中文翻译 I wanna make friends with you~please accept me 一些普通的就不要了,我需要一些比较不常用的那种词还有那种难写的,帮我归纳一下,自己没时间要买什么样的书哦,介绍一下分可不是这么好拿的。 初中语文上学期字词归纳要一份人教版语文上学期的字词归纳 用三块正多变形的木板铺地,拼在一起并相交于一点的各边完全吻合,其中两块木板的变数都是8,第三块边数是 有三块正多边形的木板铺地品城在一起并相交于一点的各边完全吻合其中两块木板的编 Just waiting someone like you...Friend.这句话是说什么啊? 英语翻译我英语很烂有谁知道这句话的意思吗