我还是不懂

A man walked into a restaurant that advertised having the longest menu in the world.The manager was very proud of being able to provide any dish,no matter how unusual.At the bottom of the menu,there was a notice that said,“If you do not see the dis 求2x*x-4x+3的最大值或最小值 The boss, __restaurant I am serving, is a kindhearted man 求最值√（3-4x)+√(1+2x)的最大值和最小值 Zhang is his ( ) name. The man in the restaurant called the head waiter in to complain ____ the food With Xiao Ming's help,Zhang Lin does his homework _____than before A much more carefull B more carefully C much carefully 要原因 线性代数题,求解释如何求行秩,行秩,行列式秩 Usually ,( ) a waiter in a restaurant,raise one hand to head level or above .A,calling B,to call C,call D,having called.选哪一个, 请拨6127348找Zhang ming用英语怎么说 xiao ming在学习上又以下问题.请你以专家身份给他提几点建议 用英语 尽量把水准控制在九年级（初三）左右xiao ming's problem:l am always nervous when l listen to english,what should l do? 找规律的,看看卡片上的圆点数量,卡片是怎样排列的,在空白卡片上应画几个圆点? 从第二个开始,每条边上有n个圆点（n大于或等于2）每个圆点得总个数为s,按规律推断s与n地关系式是——题目为怎样学好初中数学第三章达标测验B卷一题填空题23，因为我不知道过程是怎样 We walked ( )the restaurant.(at,past) 选其中一个 C语言比较数列中前后两个元素的大小例如有一数组｛1.3.5.4.2｝,输出前一元素比后一元素大的情况,即：例子输出结果应为：（3,2）,（5,4）,（5,2）,（4,2）.这样的程序如何用C语言表达? 请拨612-7348找Zhang Ming.用英文怎么说? 汉译英：请拨612-7348找zhang ming.zhang ming是一个人名.这是一道英语题,在初一寒假生活知道里面.请给我一个正确的不能再正确的标准答案!我谢你! 请拨612-7348找Zhang Ming用英语怎么说 Zhang Ming,Can you say English?哪一处地方错了? 法语的元音字母?哪位高手知道法语的元音字母有哪些?怎么读?”ç”是什么? 法语中元音字母到底有几个? 每条边上n（n≥2)个圆点,每个图案中圆点的总和等于s,按此规律推断出,s 与n只见的关系为 法语中的鼻元音是接元音字母而失去鼻化音吗?那inhabituel呢?h不是元音字母呀? 法语中说ay+元音字母,y前后均为元音字母,可视为i+i,求详解 the( )woman is my aunt A forty years old B forty- year -old C forty- years- oldDforty years' old My father has two brothers.如何改一般疑问句大神们帮帮忙 f(x)=log2(x+x分之1+m)的值域为R,试求实数m的取值范围 My brother has two tennis rackets（改成一般疑问句） photo,thank,for,the,of,your,family,you（连词陈句） My jacket is（under my bed）（对括号内的单词提问） f(x)=log2(x+ 3/x -a),当值域R时,求实数a的取值范围 抗日战争胜利后.国共两党经过重庆谈判,于1945年10月10日签署了什么? 已知平行四边形中,∠BCD＝45°,∠ADB＝90°,若BD＝A,求AC的长 f(x)=log2(x+1/x+m)值域为R 求m的范围