大家幚幚我啦!唔該
5(0.4z-3)+7(1.5z-7)+4=2.5z
P.S.唔該要埋steps
收錄日期: 2021-04-16 13:31:38
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20111011000051KK00870