http://us.f6.yahoofs.com/hkblog/rDkOb8SWERnmmaR4UeTpiIbmgvVT_1/blog/20100510093307940.jpg?ib_____DQgptIaoh
為何要16除4??
收錄日期: 2021-04-19 22:14:25
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100510000051KK01534