中国著名的鬼

(根号125-根号20)÷根号5 根号125+根号20 求下列根号式子的计算过程.(1) 3倍根号45-根号125+根号20 ; y=2x²+1/x是二次函数么 求湘教版初二数学上册第一章知识点 tan70°cos10°(tan60°tan20°-1)如何化简 4级成绩怎么快速提高? 根号下125减根号下80等于几多? 方程3x(x-1)=2(x+2)+8的二次项系数是一次项系数是,常数项是2）若x=-1/2是方程kx^2-x-2=0的一个根,则k=_______3)将一元二次方程x^2-6x-5=0化成（x+a)^2=b的形式,则b=_____________4)写出一个以x=3为一个根,且二 What do you enjoy most about your school?的回答喜欢的到底是指一种东西还是一件事情啊 劳请大家指教 what do you most enjoy about the Sping festival请速回哈 急用 万分感激 What did you enjoy most about your campus life?有什么好的回答呢?可以说哪些校园生活? What do you like most about your job/studies?如题应该怎么回答? 0.9循环=1吗?3除以3=0.9循环? 一堆石榴,3个3个地数,余两个;4个4个地数,余3个,这堆石榴最少 一堆石榴,3个3个地数,余2个；4个4个地数,余3个.这堆石榴最少有（ ）个? 第五和第六题是怎么做 回答What ways can you replace Chinese with English in your life?比如我想到了这些.Switch your phone language to English,download English version of the computer applications you use.read news on chinadaily or new york times instead of news r What do you often share with your friends?What do you often do together with your friends? what is the life like in China?请大家提供一些材料,我要办小报! what is life like in China求一篇英语美文 5x²+6xy-8y² 化简 八上有好的数学试卷么?能给一份么? What would you like翻译 What would you like to order?翻译成中文是什么意思? 谁能帮我翻译这句英文? What state in the U.S. would you most like to visit?这是一个美国笔友发的,好怪哦... Anyway,what would you like to work on in English?翻译 如何提高四级成绩四级听力115阅读165作文和翻译116,怎么提高啊,希望今年6月就过了 如图,在三角形ABC中,点D在BC边上,AB=AC=CD,AD=BD,求角B的度数 4小题怎么写,写算式, 写第4题 要算式 what do you like most about your family?如题回答即可.好的话有追加分.