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关于完全平方公式的问题.已知x+y=2,xy=1.求x^2 + y^2 + xy的值 完全平方公式的题初一的若m与他的倒数的和为3,求m的平方与其倒数的和,及m的四次方与其倒数的和.（2a+3b-c+1)(2a+3b-c-1)(y-3)^2-2(y+2)(y-2) 请问“你多重呀?”用英语如何翻译呀? 东北哪里气候好 英语翻译 英文翻译 请问,这辆车有多重?怎么翻译! 翻译“那个大石头有多重?” 循环小数8.527 （527的循环）的小数部分第10位是几?第101位是几?将它保留200位小数,小数点后200位上的数应是几?（要算式） It much colder today then yesterday.You'd better _____ more warm clothes.A putB put onC be inD wearMy cousin _____ the Party ____ five years.A has joined;sinceB has joined;forC has been in;forD has been in;sinceIt nearly took me an hour to walk here. 福建好吗? 大学英语四级听力翻译The family was seeking privacy while doctors evaluated Herbert .he said As a word of Herbert's progress spread,visitors streamed into the nursing home.翻译 英语翻译i responsible for marketing ten UK hotels.这句话怎么最为翻译? 1、I hardly exercise so I think I'm kind of ______.A.healthy B.health C.unhealthy D.unhealth2、Her grandma often cooks delicious food for _______.A.her B.she C.hers D.him3、Eating more fruits and vegetables is good _____ our health.A.to B.for C.at 1、They all pass the English exam,but _____ him,he fails.A.from B.as for C.about D.to2、_____ do you watch TV,Tom?Only once a week.A.How often B.How long C.How soon D.How much3、He tries _____English.And he practices ______ English everyday.A.to l 英语翻译最近做了好些翻译题,但是很多时候我的答案和标答就是不一样,有的看起来甚至相差很远,但我觉得我翻译地也是对的.我想请问做翻译题时如何才能使自己的答案更为准确?题目往往 一个初二英语选择题（说明原因）The girl had a short rest and did her homework () she reached home.A.after B.before C.when D.since给出答案的同时说明原因,谢谢! 东北暖和多了现在零下13度,什么道理啊 保护野生动物的作文 ________ of them has arrived.So ______ has arrived on time.A Nobody;onneB No one;nobodyC None;no oneD None;not any oneThe old men must _____ politely.A be spokenB be spoken toC speakD speak toHe and his family are going to Beijing for _____ holiday.A 英语翻译 重量与以前发给你的稍微有一点不同 关于完全平方公式的数学题~~已知x+x分之一=2,求以下式子的值：1.x的平方+x平方分之一2.x的四次方+x的四次方分之一请写出过程~可以的话帮我简单讲一下思路吧~~谢谢啦^_^ 若a（a-1）-（a²-b）=5,求2分之（a²+b²）-ab的值.实在没有分了, 有关野生动物保护方面的作文 氯化石蜡在金属切削液中起什么做用 请教如何做CET4翻译题在大学英语四级翻译 ,如何通过提示的汉语明确其考点,我一道也不会做,请各路高手详细指点一下. 氯化石蜡是什么 哪里需要氯化石蜡 "我们将改变运费到预付"求翻译我们才改为运费预付的方式 请翻译：同行要求按RMB1708到付运费,另一部分运费会在中国付 作文:假如你是一只野生动物,你怎么呼吁人们保护你身边的环境 如图,已知AB∥CD,AB=CD,求证：AC与BD平分.