听众 Ming 想知道怎样区分 “proportion、rate、ratio” 和 “percentage” 这四个表示 “比率” 的名词之间的区别。其中，“proportion” 和 “percentage” 都可以表示 “某部分在总体中所占的比例”。“Ratio” 通常指 “两个群体或数量之间的关系比率”。“Rate” 除了 ...

Sure, here's the revised description with all the links removed: 👉 Learn how to solve proportions. Two ratios are said to be ...

This project brings together researchers in embodied cognition with researchers and technologists in inclusive design. With the PhET simulation Ratio and Proportion, learners can explore finding and ...

Try these interactive flashcards based on GCSE maths past papers. By working your way through the flashcards created by experts, you can prepare for your maths exams and revise commonly used ...

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