2023 NEC报名即将截止！NEC如何选择组别？
作为申请热门的经济、商科、金融等专业，申请竞争一直很激烈，想要从中脱颖而出，商科学术活动不可或缺。其中，NEC学术活动一直备受热捧，热爱商业和经济知识的你怎能错过？ NEC学术活动的含金量极高，是申请经济...
2022年AP考试5分率解析，哪些AP科目难度大？
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Edexcel 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 form f...
Edexcel 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...
Edexcel A Level Maths: Pure:复习笔记2.2.2 Discriminants
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2023NEC报名常见问题解答，NEC适合哪些同学参加？
作为申请热门的经济、商科、金融等专业，申请竞争一直很激烈，想要从中脱颖而出，商科学术活动不可或缺。其中，NEC学术活动一直备受热捧，热爱商业和经济知识的你怎能错过？ NEC经过20余年的发展与积累，每年有超...
上海交大附中IB中心开放2023级入学申请！
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Edexcel 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 uprigh...
Edexcel 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 fraction where...
Edexcel A Level Maths: Pure:复习笔记2.1.2 Manipulating Surds
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Edexcel A Level Maths: Pure:复习笔记2.1.1 Laws of Indices
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Edexcel A Level Maths: Pure:复习笔记1.2.1 Proof by Contradiction
Proof by Contradiction What is proof by contradiction? A proof by contradiction assumes the opposite result is true Then, through a series of logical steps, shows that this cannot be so How do I do...
