(-1)2n+1次方乘(-1)2n-1次方乘(-1)2n次方=?
給我答案 謝謝☆^^
收錄日期: 2021-05-02 10:44:42
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20111013000010KK07422