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Cu(A并B)=(CuA)交(CuB)用韦恩图分析说明请尽快, 关于大学线性代数的问题(求详解)设矩阵A是正定的,试证明2E+A也是正定的,求大神相助(学渣勿扰!) 奥鹏10秋季奥鹏作业,奥鹏. 求 奥鹏 大工12春《运筹学》在线作业1.2. 求大工11秋《市场营销》在线作业1 2 3和大工11秋《运筹学》在线作业1 2 3 在线作业的答案 谢谢了 求大工10春《运筹学》在线作业1-3答案 感谢~~ 用科学依据说明太阳啥子时候离人近哈~说下嘛!急需! 奥鹏09秋季奥鹏作业,奥鹏,谁有啊,我是东师的. 太阳有关的(给积分在地球上为啥早晨和中午看的太阳大小不同 为什么太阳给我们带来光和热? 如何理解(CuA)∩(CuB)=Cu(A∪B) 高中集合中摩根定律 cu(a∪b)=(cua)∩(cub),应该怎么理解? 作文,假如我是______,填到大自然中的植物,写一个600字的故事 中国的英雄事迹 找错误,改正一下(语法,顺序等)"Rich dad and poor dad is a very popular book is also" alternative "book,the best-selling author Robert kiyosaki with own experience about how rich education children about money problems,but these seemingly co 帮我找错误,语法上的Did you were helped by the hero?Who helped you?What kind is the hero?A lot of kinds heroes in this world.Tom Jackson helps the people who were poor and need help,Helen Keller helps herself when she was face with the deform 帮忙找出错的语法Ana Garcia,the heroine of the film.She was a senior high school student.Ana was raised up in America,by the American education; she wanted the better way to realize the things.Her mother was selfish; she did not want to break 下面这个程序哪里有语法问题#include #define N 10void sele(int*p){int i,j,t;for(i=0;i 谁能告诉我下面程序哪里语法错了啊dim struser,strpwd,strname,strnumb,strad,stredu,strlovestruser=request.form("txtuser")strpwd=request.form("txtpwd")strname=request.form("txtname")if request.form("txtnumb")""thenstrnumb=request.form("tx 如果函数f(x)=lg(x(x)-3/2)+1,x属于(1,3/2),求f(x)的最大值 学校花坛里有月季花、郁金香、蝴蝶兰共350盆.月季花和郁金香的比是5:6,蝴蝶兰的盆数是月季花的十分之3问:郁金香比蝴蝶兰多多少盆(列示计算) 中国有哪些伟人? 公园里有郁金香90棵,月季花是郁金香的5/9,兰花的棵树是月季花的2/5,兰花有多少棵?列式哦! 中国伟人有哪些 已知f(x)=1-4/2ax+a是定义在R上的奇函数当x∈(0,1]时,tf(x)≥2x-2恒成立,求实数t 已知f(x)是定义在[-1,0)∪(0,1]上的奇函数,当x∈[-1,0),f(x)=2ax+1/x,当x∈(0,1]时,求f(x) 设集合A={x/-12.已知f(x)={1(x≥0) 则x+(x+1)f(x+1)≤5的解集是-1(x<0), 设集合A={x|x^2-2ax+3 设有两个集合A={x/1 1.已知集合A=(﹣2,3],集合B=(0,5],求A∪B,A∩B.1.已知集合A=(﹣2,3],集合B=(0,5],求A∪B,A∩B. 设f(x)为定义在(-k,k)内的奇函数,若f(x)在(0,k)内单调增加,证明f(x)在(-k,k)内页单调增加 若f(x)=(mx+n)/(1+x^2)是定义在(-1,1)上的奇函数,且f(1/2)=2/5.证明f(x)在(-1,1)上单调增加