2023年AP宏观经济学考纲两大更新，ample reserve难度增加！
AP 宏观经济学新考纲剖析 CB公布并更新了2023年AP宏观经济学考试规则及考纲(Course and Exam Updates)： 主要变化分为两大部分：第一是考试中计算器的使用规定变化；第二是考纲知识点的更新，今天就来带大家来...
IB DP Maths: AI HL复习笔记4.7.2 Calculating Binomial Probabilities
Calculating Binomial Probabilities How do I calculate P(X = x): the probability of a single value for a binomial distribution? You should have a GDC that can calculate binomial probabilities You wa...
IB DP Maths: AI HL复习笔记4.7.1 The Binomial Distribution
Properties of Binomial Distribution What is a binomial distribution? A binomial distribution is a discrete probability distribution You will be expected to use the distribution function on your GD...
IB DP Maths: AI HL复习笔记4.6.2 Unbiased Estimates
Unbiased Estimates What is an unbiased estimator of a population parameter? An estimator is a random variable that is used to estimate a population parameter An estimate is the value produced by th...
AQA A Level Maths: Pure复习笔记2.5.2 Polynomial Division
Polynomial Division What is a polynomial? A polynomial is an algebraic expression consisting of a finite number of terms, with non-negative integer indices only What is polynom...
AQA A Level Maths: Pure复习笔记2.5.1 Expanding Brackets
Expanding Brackets What do I need to know about expanding brackets? To expand brackets, the rule is that each term in one set of brackets must be multiplied by each term in the other set of ...
AQA A Level Maths: Pure复习笔记2.4.3 Inequalities on Graphs
Inequalities on Graphs Inequalities on graphs Inequalities can be represented on graphs by shaded regions and dotted or solid lines These inequalities have two variables, x and y Several ine...
AQA A Level Maths: Pure复习笔记2.4.2 Quadratic Inequalities
Quadratic Inequalities Quadratic inequalities Similar to quadratic equations quadratic inequalities just mean there is a range of values that satisfy the solution Sketching a quadratic graph...
AQA A Level Maths: Pure复习笔记2.4.1 Linear Inequalities
Linear Inequalities What are linear inequalities? Linear inequalities are similar to equations but answers take a range of values Linear means there will be no terms other than degree 1 no s...
