7-8月含金量较高的国际比赛有哪些？
不知不觉已经进入下半年的时间了，给留学生参加学术活动的时间不多了！参与上半年学术活动的同学们在本次申请季可以为自己的简历锦上添花，还没有参加学术活动的同学们不要着急，小编也为大家整理了还在报名的7月...
IB DP Maths: AI SL复习笔记1.1.4 GDC: Solving Equations
Systems of Linear Equations What are systems of linear equations? A linear equation is an equation of the first order (degree 1) It is usually written in the form ax + by + c = 0 where a, b, and c ...
IB DP Maths: AI SL复习笔记1.1.3 Approximation & Estimation
Approximating Values How do I know what to round my answer to? Unless otherwise told, always round your answers to 3 significant figures (3 s.f.) The first non-zero digit is the first significant d...
IB DP Maths: AI SL复习笔记1.1.2 Exponents & Logarithms
Laws of Indices What are the laws of indices? Laws of indices (or index laws) allow you to simplify and manipulate expressions involving exponents An exponent is a power that a number (called the b...
IB DP Maths: AI SL复习笔记1.1.1 Standard Form
Standard form (sometimes called scientific notation or standard index form) gives us a way of writing very big and very small numbers using powers of 10. Standard Form Why use standard form? Some n...
IB DP Maths: AA SL复习笔记5.6.2 Calculus for Kinematics
Differentiation for Kinematics How is differentiation used in kinematics? Displacement, velocity and acceleration are related by calculus In terms of differentiation and derivatives Worked Example ...
IB DP Maths: AA SL复习笔记5.6.1 Kinematics Toolkit
Displacement, Velocity & Acceleration What is kinematics? Kinematics is the branch of mathematics that models and analyses the motion of objects Common words such as distance, speed and acceler...
IB DP Maths: AA SL复习笔记5.5.1 Modelling with Differentiation
Modelling with Differentiation What can be modelled with differentiation? Recall that differentiation is about the rate of change of a function and provides a way of finding minimum and maximum val...
IB DP Maths: AA SL复习笔记5.4.4 Further Applications of Integration
Negative Integrals How do I find the area under a curve when the curve is fully under the x-axis? STEP 1 Write the expression for the definite integral to find the area as usual This may involve ...
IB DP Maths: AA SL复习笔记5.4.3 Definite Integrals
Definite Integrals What is a definite integral? The constant of integration (“+c”) is not needed in definite integration “+c” would appear alongside both F(a) and F(b) subtracting means the “+c”’s ...
AQA A Level Maths: Pure复习笔记2.3.1 Linear Simultaneous Equations - Elimination
Linear Simultaneous Equations - Elimination What are simultaneous linear equations? When you have more than one equation in more than one unknown, then you are dealing with simultaneous equa...
AQA A Level Maths: Pure复习笔记2.2.5 Further Solving Quadratic Equations (Hidden Quadratics)
Further Solving Quadratic Equations (Hidden Quadratics) What are hidden quadratic equations? Hidden quadratic equations are quadratics written in terms of a function ƒ(χ) A normal quadratic ...
