积分区间（0，2π）求∫cost^3dt

怎么才能放下包袱,轻装上阵?如题 负担,鼓励,美好的 翻译 英语作文：大学作文, 在可可西里回头(小学同步达标单元双测六年级语文第七单元B卷)阅读答案, 那位高手告诉我预备英语的英语题目啊?按要求改变下列句子.1.You shouldn't play too many computer games.(保持原句意思不变）You shouldn't play computer games________ _________ _________. 琵琶行中景物描写的作用每一处景物描写都要做分析 只做第13题 C语言表达式3.26*exp(x)+(a+b)/3所表示的数学表达式是A．3.26x+1/3(a+b) B．3.26x^e+(a+b)/3 C．3.26e^x+1/3(a+b) D．3.26lnx+(a+b)/3 那个exp和lnx的意思都不知道啊--------------------mark cboomup f(x)=(exp)^2和f(x)=|exp|的周期相等吗?怎么证明?（exp为一个数学表达式）f(x)=(exp)^2和f(x)=|exp|的周期相等吗?怎么证明?今天做题的时候碰到一道问f(x)=|tan(x)|的周期的问题,于是我想到了绝对值和平 “不管”的英文怎么写 英文怎么说 英语翻译仓管 翻译成英文怎么写? 求翻译!당신은 내 그림 아르! 常量变异法 特征方程法.分别是啥啊 数学题目要求是“分离常量”搞不懂,帮帮忙在举个例题! y=（x+2）²-4的变量和常量分别是什么? 单元双测语文六年级下册2单元a卷(人教版) 这到初二数学题怎么做已知2a/(a-b)=3,求分式（a^2+ab)/(a^2-ab)的值 英语选择!【预备题】( )1.Charlie often sells things _______people.A.for B.to C.by D.with let's do some push-ups(）thisA.at B.for C.like D.with为什么选这个呢? 背琵琶行的最好方法 快 今晚之前 甲硝锉是什么药? 六年级下册毕业歌答案 난 널 사랑해是什么意思 【预备年级】I'd like to have mushroom cream soup.(把mushroom cream soup划线提问） 1-x+y-2x+9y= 오빠,사랑 해요! 几道预备年级的英文题Some heavy objects ___on cars in the street.He___ a teacher three years ago.Our h___is collecting stamps.第二题 选择 become becomes became has become 英语改错题,预备年级的标准1.Tom gets angry easly.2.Our maths teacher is always kind and friendly to other.3.We are all love each other.4.Winnie is visiting China for the first time.5.My father has already been to the Ocean Park yet.6.We ha 预备年级英语题目(填空)Read the passage and fill in the blanks with proper words(在短文空格内填入适当的词,使其内容通顺,每空一词,首字母已给) You can t________ to a friend.You can run and play.You can e________ an ap what will your life be ___in ten years?A:look B:like C:love .选哪个? 求大侠拟合二元函数.最好是MATALB拟合.z=a*x+b*x*y+c*exp(d*x)-(b/d)*y*exp(d*x)x=【29,65,43,39,62,40,43,52,53,61,30,42,39,43,57,47,17,16】y=【20,61,54,16,53,42,33,19,59,38,19,44,24,24,22,42,10,10】z= 【05,12,11,11,11,11,13,18,12,10,13,