咩係以正指數表示答案呀??
例:(4a^5)(3b^7)
=5+7
=12.
咁岩唔岩呀??
係唔係把指數加or-呀??
收錄日期: 2021-04-26 19:19:56
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061019000051KK04181