a+(x-b)*c=d怎么解方程

相关推荐

• 一个很难的高中英语单选题----高手帮忙In my opinion, life in the twenty-first century is much easier than _____ .A：that used to be B：it is used to C：it was used to D：it used to be答案是D,但是我看不懂D项,it是代指life的对吗?重点说一下it used to be 后面是不是省略了东西?如果是完整的,我怎么也理解不了,怎么可能以be结尾呢?
• 1.Few of them enjoyed ____ the cabbage in vinegar,but Caption Cook insisted ___ from the time they went abroad.A.eating;they do B.to eat;they should doC.eating;on doing D.to eat;on them doing(答案是A,我认为第一空填eating第二空填on them doing(insist on...) 望高手指点一二说出为什么)2.There is a well-equipped laboratory ___ the woods.A.along B.dowm C.cross D.beyond请问这句话怎么翻译?（超越了森林?3.It's very important ___ us ___ English well.A.of;learning B.for;learning C.of;learn D.for;to learn
• 11.(2005北京) ---Where is Frank now?---He _______ his bike in the yard.A.fixes up B.fixing up C.is fixing up D.fixed这个怎么选,为什么
• 记得我们第一次见面的时候吗用英语怎么说记得我们第一见面的时候吗？是的，我记得remember the first time we __?of course ,i__A met,do B met,did C had met ,did D have met ,do
• 【数学】“M是P的真子集”与“M是P的真子集且P不包含于M”有什么区别?集合M={x|x=1+a^2,a∈N+},P=x{x|a^2-4a+5,a∈N+},下列关系中正确的是（简要说明一下理由） (A)M是P的真子集 (B)P是M的真子集 (C)M=P (D)M是P的真子集且P不包含于M这道题是选A还是选D啊?既然M是P的真子集,则P肯定不包含于M.D选项怎么有点怪怪的?
• 英语填空题（关于时态的、初中水平）-How did you get along with your classmates in junior high school,Mr Wang?-Very well.The three years____a happy time.A.is B.was C.are D.were可我想不通为什么不能用A,紧急!如果是Mr.Wang的看法，情感，不是也可以用一般现在时吗？为什么不行呢？这两者到底怎么区分啊？*_*
• 我国*采购对象包括（ ）A燃料B工程C服务D设备 不定项选择题,答案怎么会是A C D?求解答
• 一个很难解释的英语单选题----务必高手进哦（ ）19、No one can be_____ for the post than she is.A：fit B：more fit C：much fit D：many fit此题的答案是B但我始终认为,fit 的比较级不是fitter 怎么出现了more fit.有一个人曾经给我说,fit的过去分词形式,做形容词用时,只能用more fit.我第一次听说,似乎有点道理,最好举几个别的例子.fit 的比较级是fitter,*是fittest，我刚查了。新东方，你的回答还是不能让人信服。
• sat语法题帮我改Each time Mary turns on her computer,she has (A) to enter a company code,then her initials,and then enters a password (B) before (C) she can begin working (D).怎么改?
• 怎么改sat语法题In order to A(prepare for the) speech he B(was given) to all of the parents and teachers at the school,George practiced speaking C(in front of) a group of D(his friends).E(No error)说明为什么!
• |a|=1 |b|=2 |c|=3 且a>b>c,求a若(|x|-x)(1+x)
• 某超市二月份的营业额比一月份增加10分之一,三月份的比一月份减少8份之一,儿月份的营业额是三月份的营业额