CET6 写作模板 CET6 Writing Template (107) Topic: __________ Date: __________ Score: __________ Part I: Writing Prompt Directions: For this part, you are allowed 30 minutes to write...

CET6 翻译常考词 CET6 Translation Practice (171) Date: __________ Score: __________ Time: 30 min Part I: Chinese-to-English Translation (30 minutes) Directions: Translate the follow...

线性代数 公式速记 - 行列式 编号：165 一、行列式基本概念 1. n 阶行列式定义： D = Σ (-1)^{τ(j₁j₂...j_n)} a_{1j₁} a_{2j₂} ... a_{nj_n} 其中 τ 为排列的逆序数，求和遍及所有 n! 个...

CET6 写作模板 CET6 Writing Template (136) Topic: __________ Date: __________ Score: __________ Part I: Writing Prompt Directions: For this part, you are allowed 30 minutes to write...

CET6 翻译常考词 CET6 Translation Practice (20) Date: __________ Score: __________ Time: 30 min Part I: Chinese-to-English Translation (30 minutes) Directions: Translate the followi...

线性代数 公式速记 - 行列式 编号：197 一、行列式基本概念 1. n 阶行列式定义： D = Σ (-1)^{τ(j₁j₂...j_n)} a_{1j₁} a_{2j₂} ... a_{nj_n} 其中 τ 为排列的逆序数，求和遍及所有 n! 个...

CET6 写作模板 CET6 Writing Template (165) Topic: __________ Date: __________ Score: __________ Part I: Writing Prompt Directions: For this part, you are allowed 30 minutes to write...

CET6 翻译常考词 CET6 Translation Practice (49) Date: __________ Score: __________ Time: 30 min Part I: Chinese-to-English Translation (30 minutes) Directions: Translate the followi...

线性代数 答题模板 - 向量组 编号：029 题型五：向量空间与子空间 答题模板 【模板结构】 第一步：判断是否为子空间。 检查对加法和数乘是否封闭： （a）α,β∈V ⇒ α+β∈V； （b）α∈V,k∈...

CET6 写作模板 CET6 Writing Template (194) Topic: __________ Date: __________ Score: __________ Part I: Writing Prompt Directions: For this part, you are allowed 30 minutes to write...