3.14x3/2 (二份之三)
呢條數應該可以點計呢?
唔好只講答案
聽日考試用!急!
收錄日期: 2021-04-27 15:35:56
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100325000051KK00539