Revise how to work out equivalent ratios and simplify ratios by dividing both sides by the highest common factor. Test yourself with practice questions and a game. NEW: Ratio and fractions, and ...

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 ...

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