https://imagizer.imageshack.us/v2/599x337q90/5/pzim.jpg
我想問怎麼知道 y=8 還有其如那些....
收錄日期: 2021-04-13 19:54:12
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20140111000051KK00168