2022IB放榜，全球IB考试情况汇总！附英美名校IB申请要求
北京时间2022年7月5日晚，IB国际文凭组织正式发布了2022年IB毕业生的全球统考成绩。 今年由于疫情的原因，IBO官方宣布了上海等多地的5月IB大考取消了，转而使用预估分数的方式进行院校申请。 2022全球IB考试情况 ...
AQA A Level Maths: Mechanics复习笔记3.3.1 Resolving Forces & Inclined Planes
Resolving Forces If a single force is applied at an angle to the direction of motion it will need to be resolved into components of the force that act perpendicular to each other. Why resol...
IB DP Maths: AA SL复习笔记4.6.1 The Normal Distribution
Properties of Normal Distribution The binomial distribution is an example of a discrete probability distribution. The normal distribution is an example of a continuous probability distribution. Wha...
AQA A Level Maths: Mechanics复习笔记3.2.5 F = ma - Vector Notation
F = ma - Vector Notation How is Newton’s Second Law (N2L) used with vectors? The resultant force (F) and acceleration (a) are vectors For forces and motion in two dimensions, F N and a m s-2...
IB DP Maths: AA SL复习笔记4.5.2 Calculating Binomial Probabilities
Calculating Binomial Probabilities How do I calculate P(X = x): the probability of a single value for a binomial distribution? How do I calculate P(a ≤ X ≤ b): the cumulative probabilities for a bi...
AQA A Level Maths: Mechanics复习笔记3.2.4 Connected Bodies - Pulleys
Connected Bodies - Pulleys What is a pulley (or peg)? A pulley is a wheel like device that rotates as a string passes over it allowing motion of any particles attached to the string Pulleys ...
牛剑G5申请的附加考试全攻略
这篇文章就先带同学们看看牛剑官网要求的附加考试，然后再给大家详细介绍一下目前最热的几个附加考试。 牛剑官网附加考试要求 牛津大学： 如果要申请牛津大学的数学、计算机、物理、工程、社会科学等专业，牛津大...
IB DP Maths: AA SL复习笔记4.5.1 The Binomial Distribution
Properties of Binomial Distribution What is a binomial distribution? A binomial distribution is a discrete probability distributionYou will be expected to use the distribution function on your GDC...
AQA A Level Maths: Mechanics复习笔记3.2.3 Connected Bodies - The Lift Problem
Connected Bodies - The Lift Problem What is the lift problem? The lift problem involves objects (particles) that are directly in contact with each other – typically a person or crate in a li...
IB DP Maths: AA SL复习笔记4.4.2 Expected Values
Expected Values E(X) What does E(X) mean and how do I calculate E(X)? E(X) means the expected value or the mean of a random variable X The expected value does not need to be an obtainable value of ...
IB DP Maths: AA SL复习笔记4.4.1 Discrete Probability Distributions
Discrete Probability Distributions What is a discrete random variable? A random variable is a variable whose value depends on the outcome of a random event The value of the random variable is not ...
四门AP物理有什么区别？一文带你全面解读
作为AP科学类中的顶梁柱，AP物理可谓是撑起了科学类的半边天。但是新手小白在刚开始面对4门AP物理时总是傻傻分不清楚：这几门到底要学什么内容，彼此之间又有哪些异同？在选择的时候应该如何做好取舍呢？ AP物理1...
