dang2 bei2 ding6 lei5等比定理
Jyutpingdang2 bei2 ding6 lei5
Yaledáng béi dihng léih
Definition
Equal ratios theorem.
neutralschool
How it's used
This term is strictly confined to mathematics and geometry contexts in Hong Kong schools. It refers to the property where if multiple ratios are equal, their sum of numerators over the sum of denominators remains the same ratio. It is almost exclusively used in secondary school classroom settings.
Examples
You need to use the equal ratios theorem to solve this problem.
Related words
Common phrases
apply the equal ratios theorem
Grammar color guide
Noun
Verb
Adjective
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Classifier
Particle
Connector
Grammar guides
- LocationHow to say where something is using 喺 (hai2), place words like 度, and the common coverbs that work like English prepositions.
- Serial verbsStringing two or more verbs together without any joining word, like go to the shop buy things. Extremely common in Cantonese.
- 將 disposalHow to move the object in front of the verb with 將, to focus on what happens to it. Common in instructions and writing.
