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1.选择题 (1)D (2)C (3)A (4)A (5)C (6)A (7)C (8)2 (9)A
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定义4:i)设f(X)=anXn+…+a1X+a,c∈F, 则f(c)=ancn+…+a1c+a,称为f(X)在c点的值
文档格式:DOC 文档大小:45.5KB 文档页数:6
Unit 3 Brief Introduction of Computer Text 1 Do You have a Computer? Passage A An Hui (A) and Xiao Ming (B)are two high-school students. They meet each other when they are now on their way home. A: Hello, Xiao Ming
文档格式:PPT 文档大小:196.5KB 文档页数:36
定义6设A为n阶方阵,如果ATA=1,就称A为正交 定理4A为n阶正交矩阵的充分必要条件是A的 证设
文档格式:DOC 文档大小:21.5KB 文档页数:2
阶段测试题(四)参考答案 一、单项选择题:(每题1分,共10分) 1.A2.B3.a4.C5.D 6.D 7.A 8.a9.d 10.B
文档格式:PPT 文档大小:149KB 文档页数:36
3.4齐次线性方程组有非零解的条件及解的结构对于以mxn矩阵A为系数矩阵的齐次线性方程 组 AX-0 (3.15) 如果把A按列分块为A=[a1,a2an,它就可以 表示为向量等式 (3.16) 因此,(3.15)有非零解的充分必要条件是 a12,…a线性相关, 秩(A)=秩{a1,a2an}
文档格式:DOC 文档大小:24.5KB 文档页数:1
#define n3 float aN+IL,A,X printi\请输入多项式系数a%d],a%d],…,a[0:n\,N,N-1) for(i=N;>=0,-) scanf(%f, &aiD) printf(\请输入x的值:n\)
文档格式:DOC 文档大小:36KB 文档页数:5
International Business negotiation A negotiation is a meeting or a series of meetings in which the parties need each ther's agreement to reach a specific objective The fundamental principles of negotiation 1. Negotiation is an element of human behavior
文档格式:PPT 文档大小:79KB 文档页数:20
Content 1. summary of last article 2. exchange writing activity 3. a brief introduction of types of essays 4. Writing Is a process 5. writing is a social act 6.Task: write a story about yourself to your classmates
文档格式:DOC 文档大小:1.24MB 文档页数:82
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
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