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这个方程式,可以用来做什么? 悖论的产生 产生法国悖论的原因是什么 jumpered pins 3 and 4 enable puls(Power up in Standby)什么意思? f(x)在x=1连续且f(x)=2x+1(x≤1)& =a+lnx(x＞1),a=?f(x)在x=π连续且f(x)=cosx x≤π&=a+x x＞π,a=? 不能用方程做 不可以用方程做 protel99的原理图中“power ground”和“signal ground”在使用起来有什么不同?两者有什么不同呢?是不是只在自动布线的时候才体现出不同? 已知x=1是f(x)=2x+b/x+lnx的极值点（1）求b的值,（2）求函数f(x)的单调增区间 1²-2²+3²-4²+5²-6²+…-100²+101²= 已知f(x)=lnx,g(x)=1/2x^2-4x+7/2,(1)若h(x)=f(x+1)-g'(x),求函数h(x)的最大值（2）.当0<b<a时,比较：a+2af(a+b)与b+2af(2a)的大 不锈钢栏杆立柱规格50*3是什么意识 british english french 解释为人时的复数 Mr.Smith has been here since the factory opened为Mr.Smith has been here since the factory opened为什么用has been? 钢板H1080*700*50*40表示什么意思 英语翻译各位大哥大姐帮帮忙求中文翻译啊 If your teacher wants you to use wide-lined paper——do it!If she tells you to sharpen youpencils only before class starts,listen to her.If she doesnt accept late homework,doyours on time.So Sorry I can‘’t (r ) your name.给首字母填单词 The teacher wants to know something (a ) Lily.My parents are (b ) teachers .I can“t （h ）you .Speak up,please .No one can (p ) flowers in the park .Don"t worry .There is (n ) wrong with you the post office is on side of the Bank of China..【改为同义句】 3分钟内 Thomas Edison invented a( )1.car 2.bike 3.lamp 4.computer There is no excuse for not doing your homework,__ __?完成反义疑问句是填is there吗?为什么?我觉得是填is there，可是后面的答案是isn't there还是可以理解成，你没有不做作业的理由，一个no，一个not，就抵 1：一根绳子,第一次剪去这根绳子的3分之1,第2次剪去剩下的5分之3,第2次剪去的是这根绳子全长的几分之几2：现修320米道路,第一天修了全长的4分之1,第二天修了余下的5分之2,第二天比第一天 Turn left at the end of the street.The post office is on the right,and you can't lose it改错 Who_____ Jack_____(visit) the museum with? There are six play in our team对吗play是应该用原形吗playing对吗? 求一篇How to repay you parents的英语作文.怎样回报你的父母英语作文. discovered的意思 单词discovered的意思 discovered什么意思? We've all heard of Thomas Edison,() who invented the electric light and many other things.A.man B.a man C.the man D.men when you get to the post office,call me.意思 请问大家下六年级上册数学脱式计算题和应用题了解的告诉下哟, When we got to the post office,it ________(已经关门了）