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英语翻译 英语翻译 英语翻译 英语翻译 有reach是否可以不需要rohs 一道数学黄金分割题底边和腰的比等于黄金比的等腰三角形成为黄金三角形.黄金三角形的顶角等于36°,反过来,顶角为36°的等腰三角形一定是黄金三角形1.如图△ABC,△BDC,△DEC都是黄金三角形, 一道关于黄金分割的数学题目如果线段MN=2厘米.P.Q是MN上的两个黄金分割点,则PQ等于什么?反之,如果PQ=2厘米,则MN等于什么? 关于黄金分割人的肚脐高度和人体的总高度的比接近黄金比,某人肚脐的高度为1.1m,估计他的身高约为______m.(精确到0.01m)另:肚脐高度是头到肚脐的距离,还是脚到肚脐的距离? 数学黄金分割如果线段MN的长度是10厘米,点P是线段MN上的黄金分割点,那么较短线段的长度是______厘米.答案用根号的 数学中的黄金分割是多少? 黄金分割句话 ”黄金分割“的涵义以及实际应用? 初中英语选择题,要解释.12. They didn’t decide ________this weekend. A. where to go B. where going C. to go where D. where go这个题应该是选A吧?但是怎么解释呢?谢谢了,详细点. 会遇到相应的语法,怎样分析呢(初中英语) ROHS、REACH、SVHC的异同 电视节目主持人在主持节目时,站在舞台的黄金分割点处最自然得体,若舞台AB长为20m,试计算主持人应走到离A点至少 m处 ,如果他向B点再走 m,也处在比较得体的位置 (结果精确到0.1m) 急..很简单的黄金分割已知线段AB=4,延长AB到C,使AC=3AB,M为AC的中点判断线段AB是否是线段BM和BC的比例中项,说明理由. 规定a*b=(a-2.5)-(1又1/8-b),试求5又1/4*(3.5*3/16)的值. 英语翻译1.A cook will be immediately fired if he is found _________ in the kitchen.A smoke B smoking C to smoke D smoked2.Mrs White found her husband surrounded by letters and papers and ________ very worried.A look B looks C looking D to look 3. 英语翻译1.--- Let’s go and have a good drink tonight.--- ___________ Have you got the first prize in the competition?A What for B Thanks a lot.C Yes,I’d like to.D Why not 2.She is my aunt _________ my mother’s _________.A in ; side B in; si 求当a=-1/2时,分式1/(1-a)+1/(1+a)+1/(1+a^2)+1/(1+a^4)+1(1+a^8)+1(1+a^16)我算到32/(1-a^32)=32/(1-(1/2)^32)再怎么算? 当a什么时,分式4/8-a的值为正;当b什么时,分式1-b/2b^2+1的值为负 当a为何值时,分式1/a+2有意义 当a=2011时,分式a-1分之a^2-1的值是多少? 英语翻译58.Many people now make     a rule to buycards for their friends before Christmas.A.themselves    B.it    C.that    D.this 当a____时,分式-2/a^2+1的值为负 英语翻译his------,subtle approach,analytical capabilites and broad clinical knowledge made him a brilliant doctora thillb intuitionc revelationd hypothesis 英语翻译how long have you ____this book?a.bought b.borrowed c.had d.lent you are new here,_____you?a.aren't b.are c.do d.don't那么如果是you aren't new here,就应该是are you了是吗? 英语翻译The audience are deeply impressed by the leading charactor of the film that looks -----at social problems a obviously b squarely c accurately d deliberately 英语翻译8.Does ____matter if he can't finish thejob on time?A.this B.that C.he D.it 计算(1+2)(1+2^2)(1+2^4)(1+2^8)(1+2^16)的值 计算(1-1/2)(1-1/2^2)(1-1/2^4)(1-1/2^8)(1-1/2^16)的值打错了,是(1+1/2)(1+1/2^2)(1+1/2^4)(1+1/2^8)(1+1/2^16)