點計概率?
比d example (要有實際數字和計算)
唔好全部都係 [紙上談兵]
最緊要令人睇得明..thx
收錄日期: 2021-04-19 00:59:49
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080503000051KK02822