(7^-5+8^-5)^-5
回答 (2)
2007-10-25 6:49 am
✔ 最佳答案
(7^-5+8^-5)^-5=(1/7^5+1/8^5)^-5
=(1/16807+1/32768)^-5
=(49575/550731776)^-5
=49575^-5/550731776^-5
=550731776^5/49575^5
=1.691948192×10^20
2007-10-25 3:16 am
1.691948192x10 20
收錄日期: 2021-04-13 14:09:28
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071024000051KK02714