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老实讲，A-level化学复习其实挺累的。A-level化学覆盖众多不同topics，平时学习和考前备考，都要有组织有计划，才能最终拿高分。 国际版ALevel化学一共分为6个单元，AS阶段完成第一、二、三单元，A2完成第四、五...
Alevel数学如何才能拿A*？
A-level数学向来以难度大、要求高而著称，它是很多大学在录取时十分看重的科目，尤其是申请STEM专业，数学基本是必修课。那么，A-level数学如何才能拿到A*？以下几条学习技巧经实践检验真心有效！ 1.不要只学习表...
AQA A Level Maths: Pure复习笔记2.3.1 Linear Simultaneous Equations - Elimination
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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 ...
AQA A Level Maths: Pure复习笔记2.2.4 Solving Quadratic Equations
Solving Quadratic Equations Solving quadratic equations We can solve quadratic equations when they are written in the form If given an unusual looking equation, try to rearrange it into this...
AQA A Level Maths: Pure复习笔记2.2.3 Completing the square
Completing the square What is completing the square? Completing the square is another method used to solve quadratic equations It simply means writing in the form It can be used to help find other ...
AQA A Level Maths: Pure复习笔记2.2.2 Discriminants
Discriminants What is a discriminant? The discriminant is the part of the quadratic formula that is under the square root sign It is sometimes denoted by the Greek letter (capital delta) Ho...
AQA A Level Maths: Pure复习笔记2.2.1 Quadratic Graphs
Quadratic Graphs What are quadratic graphs? The general equation of a quadratic graph is Their shape is called a parabola ("U" shape) Positive quadratics have a value of so the parabola is u...
AQA A Level Maths: Pure复习笔记2.1.3 Surds - Rationalising the Denominator
Surds - Rationalising the Denominator What does it mean to rationalise a denominator? Rationalising a denominator changes a fraction with surds in its denominator, into an equivalent fractio...
