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对于函数f(x)若f(x)=x则称x为f(x)的"不动点"”,若f（f（x））=x,则称x为f（x）的“稳定点”.若f（x）=x^2-a,且A=B≠∅,求实数a的取值范围； 拜求环境保护的英语对话 哪位能提供一份关于环保的英语对话… 求一篇关于环保的英语对话!（4个人之间的对话!请在1个小时内完成!）我有多少分就给他多少分 全国青少年作文大赛英文怎么说 中国创造英文怎么写 夏天的旋律是紧张的,人们的每一根神经都被绷紧.冬天的旋律是什么啊? 已知数列{an}的通项公式an=2n-21,前n项和sn．如果bn=|an|（n∈N）,求数列{bn}的前n项和Tn． 数学高手进!对于函数f(x),若f(x)=x,则称x为f(x)的“不动点”对于函数f(x),若f(x)=x,则称x为f(x)的“不动点”;若f[f(x)]=x,则称x为f(x)的“稳定点”,函数f(x)的“不动点”和“稳定点”的集合记为A和B, 在三角形ABC中,a、b、c分别是角A、B、C所对的边,且满足a^2+c^2-b^2=ac.(1)求角B的大小; (2)设m=(sinA,cos在三角形ABC中,a、b、c分别是角A、B、C所对的边,且满足a^2+c^2-b^2=ac.(1)求角B的大小;(2)设m=(sinA,cos2A) 用英语如何较好的表述“从哪里来,到哪里去?”的意思最好使用高级词汇! Love is when u take away the feeing,the passion,theromance,and findout u still carefor that person是什么意思?尽量准确点.谢谢 love is all around 中文Love Is All Around From: R.E.M. Cover Versions I feel it in my fingers, I feel it in my toes Love is all around me and so the feeling grows It's written on the wind, it's everywhere I go So if you really love me, come on and "LOVE is all around"谁知道什么意思? 哪有有LOVE IS ALL AROUND这部电影在线观看? love is all around这句话语法分析一下 Nothing is inpossible是什么意思? Nothing is possible ,but everything is uneasy Love is when you take away the feeling,the passion,the romance,and you find out. 翻译：Love is when you take away the feeling,the passion,the romance,and you still care for that christmas is all around意思 Christmas is all around love actually是改编自哪首歌曲 和平就在身边的作文急求最好在今天. 关于和平的作文 火箭!GO!everything is possible!季后赛! Love is when you take away the feeling,the passion,the romance,and you find out you still car后 面 对 什么 英文 的 I do not know when we shall leave for Nanjing.I do not know _____ _____ leave for Nanjing. We don't know when we shall leave for Nanjing.We don't know ______ _______ ________for Nanjing. i don't know when i should leave 同意句i don't know ________ __________ ___________(三空)和we must learn english well.(用necessary改写)it's ______ _______ _______ ________ ________ english well If we dream,everything is possible翻译中文是什么 翻译 If God is dead, then everything is possible for mankind.如题,最好告知原句出自哪里. 急找一篇题目为《细节决定人生》的高中生作文