#2 (a^7-1)/(a-1)
#3 (a^8+1)/(a+1)
#4 (a^6+1)/(a-1)
更新1:
教埋點做,thx (not only the answers)
教埋點做,thx (not only the answers)
收錄日期: 2021-04-23 23:17:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090807000051KK00714