1. 點樣prove條quadractic equation有幾多個roots呀?
2. a^4+a^4=?
3. a^4-a^4=?
4.amathz應該點讀先會高分架?
收錄日期: 2021-04-23 15:43:54
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061014000051KK01789