4.2.4子空间的直和与直和的四个等价定义 定义设V是数域K上的线性空间,2…,是V的有限为子空间。若对于∑中任一向量,表达式a=a1+a2+…+am,a1e,i=12,m是唯一的,则称∑V为直和,记为

外研版（三起）（2012）小学英语五年级下册Module 2 Unit 2 Mr Li was a teacher.Module 2 Unit 2 Mr Li was a teacher.教案(3)

1、设向量组α1,a,a线性相关, 而向量组1,3,a4线性无关, 134 则向量组1,2,2的最大线性无关组 1,a3

一、填空 1.五阶行列式中某项a1a2an1a,a3取正号,则s=_t 2.若 kx+y=0

Worksheet 1 Name Find out the words/expressions from the two conversations to fill in the following blanks. People who work in a company: business that has a manager and other people working there: A university or a government usually has several branches that are called

外研版（三起）（2012）小学英语五年级下册Module 2 Unit 2 Mr Li was a teacher.Module 2 Unit 2 Mr Li was a teacher.教案(2)

外研版（三起）（2012）小学英语五年级下册Module 2 Unit 2 Mr Li was a teacher.Module 2 Unit 2 Mr Li was a teacher.教案(1)

外研版（三起）（2012）小学英语五年级下册Module 2 Unit 2 Mr Li was a teacher.Module 2 Unit 2 Mr Li was a teacher.导学案

1. A reaction has the stoichiometric equation A+B=2R. What is the order of reaction? 2. A reaction with stoichiometric equation +B=R+IS has the following rate expression r.= What is the rate expression for this reaction if the stoichiometric equation is written as A+2B=2R+S?