設a=2的三次方根,試以a表示(-0.004)的三次方根?
回答 (2)
2016-02-07 11:45 pm
✔ 最佳答案
Sola=2^(1/3)
(－0.004)^(1/3)
=－(0.004)^(1/3)
=－(4/1000)^(1/3)
=－4^(1/3)/(1000)^(1/3)
=－a^2/10
2016-02-12 7:24 am
a=2^(1/3)
(-0.004)^(1/3)
=-(4/1000)^(1/3)
=-(a^2)/10
(-0.004)^(1/3)
=-(4/1000)^(1/3)
=-(a^2)/10
收錄日期: 2021-04-18 14:23:32
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160207064313AAHe721