液压matlab大作业

如果对x∈[1／2,1],不等式x²－﹙a＋1﹚x＋1≥0恒成立,求实数a的取值范围 高一数学必修1和必修4知识点总结用wps列出 跪求高一数学必修1和2的重要知识点总结 英语翻译急.我是河南省浚县邮政局。有你们大使馆发给河南浚县丁海利的信件（ED184776712CS）。本人已找到，请把信件返到河南省浚县邮政局.... 英语翻译你知道你对我有多重要么?Do you konw how important you are to meDo you know how much important to me哪个对?或者都不对?不要转换器翻译的需要准确啊 英语翻译请把这段话翻译成英文,尽量口语一点,不要用转换器,(话句用百度消息发送,请各位大哥大姐可以帮忙的,请留言) 英语翻译我永远支持你,加油!把这句话翻译下! 中文翻译成英文,转换器什么的就不用了从.到 接住球 高一数学必修2的知识点 高一数学必修一知识点总结 2,4的知识点总结,那里可以.快开学了. 3X^-7X+4=0^代表平方3X^-7X+4=03X^-7X+4=03X^-7X+4=03X^-7X+4=03X^-7X+4=03X^-7X+4=0 1.7X+8.3X=0. 已知不等式x²+3(a+1)x+2＞0在【1/2,3/2】内恒成立求实数a的取值范围 [英语]希望大家帮我找找作文中的语法错误.初中生作文,I never believe there is any treasure that people can find it.If somebody find it so many years later,they must has been corrupted.So I never hope I can find it.but in fact ,we 找找这篇英语作文的语法错误或任何有错误的地方,咱可以改正一下哈,I watch Alice in Winderland in summer holiday.Alice is a 19-year-old girl.She joined a party with her mother.During yhe party,she saw a white rabbit and follo 一个英语短文填空,希望各位帮忙Dear sir , Thirty years ago ,I walkde into you bakey and asked for some loaves of bread to sell,At that time ,I was 12 years old,A young lady s-------me that day,she gave me five loaves and wished me good 若a/b=3求分式a^2+ab-b^2/a^2-2ab+2b^2的值 已知x属于R,不等式x^2-4mx+2m+30≥0恒成立,求实数m允许取值的范围 自己写了一个先短文,请帮忙修改语法错误.我是英语初学者The .For Trump.That is first reading a English book for me.Although my English not good,but i feel very expective.For now,someone must be want to know how can I understand a 解方程：（0.1-0.3X）/0.3-2=（0.7-X）/0.5 小数化成整数得 已知 a分之1减去b分之1=2 求分式2a+ab-2b分之a-2ab-b的值 把方程x十1/0.3一0.2x一1/0.7=1中的小数化为整数 已知 a分之1减去b分之1=3 求分式2a+ab-2b分之a-2ab-b的值. 已知y=（m+1/2)x+3-m是一次函数,则m的取值范围是（ ）如此函数是正比例函数,则m的值是（）,其解析式是 已知y是x的正比例函数,并且当x=3时,y=-6 ；求它的解析式；.如果点A（m,m+3）是它的图像上的一点,求m的值 已知圆过点(1,2),圆心在x轴上,并且与直线3x+4y-2=0相切,求圆的方程.我做出来delta 自己写了个英语短句,麻烦高手帮忙指出语法错误.或者有什么更好的表达方式,谢过了~selfless mother loveI can’t find a person like my mother,she always gives me the expensive gifts,but she buys a cheap clothes for hersel 英语达人麻烦看一下这篇小作文有没有语法错误Living in cities People lives in cities has been brought into focus.Nowwadys,more and more people moving in cities,acording to a recent survey conducted by CCTV,the past decade has witnes 一篇英语小作文,麻烦看看有什么语法错误 What a terrible scene!The picture depicts a lot of rubbish piles,which make the fool man feel sorry.Obviously,the rubbish piles were made by people,who visited the spots in holiday and threw 圆心在曲线y=3/x(x>0)上,且与直线3x+4y+3=0相切的面积最小的圆的方程为急啊 在线等 求圆心在点C（3,－2）,并且与直线3x-4y-7=0相切的圆的方程