📚 Year 9 Edexcel Maths: Interdisciplinary Problem Solving | 跨学科综合题型训练
In Year 9 Edexcel Mathematics, you will encounter problems that combine maths with other subjects such as science, geography and economics. These interdisciplinary questions test your ability to apply mathematical skills in real-world contexts. This article provides a training set of mixed problems designed to strengthen your reasoning and problem-solving techniques.
在九年级爱德思数学中，你会遇到将数学与科学、地理、经济学等其他学科结合在一起的问题。这些跨学科题目测试你在真实情境中应用数学技能的能力。本文提供一套综合问题训练，旨在加强你的推理和解题技巧。
1. Speed, Distance and Time (Physics) | 速度、距离与时间（物理）
In physics, the relationship between speed, distance and time is fundamental. The formula is:
在物理学中，速度、距离和时间之间的关系是基础的。公式为：
speed = distance ÷ time
e This equation can be rearranged to find distance (distance = speed × time) or time (time = distance ÷ speed).
该等式可变形为求距离（距离 = 速度 × 时间）或时间（时间 = 距离 ÷ 速度）。
A typical problem: A cyclist travels
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