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写一篇关于苹果的日记 设直线ax+by=c=0与圆x²+y²=9相交于两点M,N,若c²=a²+b²则向量OM×向量ON（o为坐 谁能现在帮我写一篇日志,关于我暗恋他 写一篇日记谢谢 求一个简单函数的n阶导数 函数的n阶导数求函数f(x)=x^n/(1-x) 的n阶导数 已知直线y=x-2与圆x方+y方=4交于两点M和N,O是坐标原点,则OM×ON=之前好像问过,不过忘了怎么写. 写一篇关于“Asking the way”的初二英语作文 提举下列提示,编写一段题为“问路”的对话（60-80字）Green太太想去博物馆,但不知如何走,于是就向一位警察询问.警察告诉她沿街走到第二个十字 已知中心在坐标原点上直线x+y-1=0与椭圆交与M、N点,且向量OM*向量ON=-7已知中心在坐标原点,焦点在x轴上的离心率为√3/2,直线x+y-1=0与椭圆相交于M、N,且向量OM*向量ON=-7,求椭圆标准方程. 春节记一件趣事只要一件好的加分! 函数图像,导数 有分数的导数求导怎么化 七年级上册英语,优化设计练习册答案 草房子的精彩片段 长沙市哪里有卖七年级下册英语优化设计（加答案）的.给网店链接也可以. 谁能翻译一下JJ新歌《不潮不用花钱》RAP英文的部分 JJ的不潮不用花钱的英语怎么读啊?那些英文的音标都是怎样的?要JJ读的那些 英语翻译Little chick having chips on my sofaBearbricxs take a shit on my sofaSmudge babies lying on my sofaNeighborhxxds and kiks singing “so-fa”Little chick having chips on my sofaBearbricxs take a shit on my sofaSmudge babies lying on my so 江苏科学技术出版 怎么看,西游记每回语段赏析及内容概括, 一道简单的导数题有没有其他解法，继续 心急如焚找,西游记每回语段赏析及内容概括, 1.———mother will wait for him to have dinner together.A However late is he B However late he isC However is he late D Howeer he is late B2.He did everything in his own way ----- what others think of him.Ainstead of B In terms of C regardless D 英语翻译{给你戒指} 或者 {送你戒指} 用英文怎么翻译?类似等同意思的都可以! 英语翻译Out fathen vhlch come thy villArt in heaven Be on farthasBe jhtkingd on Mstn heayvens这是我男朋友送的诶 英语翻译though i speak with the tongues of me and of angles.and have not charity.i am become as sounding brass or a tinkling cymbal.很想知道她的意思···我确定没有打错···高手们帮帮忙呀,我真的真的很想知道的@@@! 帮忙翻译段关于戒指的英文.Thank you for selecting this sterling silver gift from time to time.Using a small amount of silver polish on soft cloth,rub the piece of silver Several times.This wil remove the tarnish and dullness, keeping your 一个英语句子 看看有语法错误不 在线等I have been lucy enough to get a considerable benifits from prograss that people make the earth a better place to live. 请问有语法问题吗? 没有能翻译一下吗? 有的话请说明那里 英语句子检查下有没语法错误 急Beautiful things are those people feel by heart instead of seeing the surface.就是想说明美的东西是人们用心去感受的而不单单看表面.帮我纠正下上面句子有什么错误 然后如 这个英语句子有没语法错误It is a complicated process that was divided into three steps:eraporation,condensation and precipitation and which maintains the ecological balances.这个定语从句有错误没?有的话,怎样修改! 没有英语基础,如故被问到英语方面的面试问题该如何回答较好呢? 我英语基础很差,两个月后要去一家外企面试,需要英语面试,请问两个月能够提高吗?