一題world class test EX題目..
我已經知個answer..
但係想知點計出黎..
我要ge 係式同埋解釋..
thx!!
link: http://xs221.xs.to/xs221/07465/_002.jpg
收錄日期: 2021-04-13 14:30:40
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071116000051KK04422