http://nrich.maths.org/public/viewer.php?obj_id=1272
呢個網址入面果個game~
係有一個原理ga~
你地知唔知呢個原理係點ga~
請盡快告訴我~
thz~
收錄日期: 2021-05-03 14:17:51
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071226000051KK03814