更新1:
please do it fast
simplify : { 5[8^1/3+27^1/3]^3}^1/4?
回答 (2)
2016-06-14 4:44 pm
{5 [8^(1/3) + 27^(1/3)]^3}^(1/4)
= {5 [(2^3)^(1/3) + (3^3)^(1/3)]^3}^(1/4)
= {5 [2 + 3]^3}^(1/4)
= {5 [5]^3}^(1/4)
= {5^4}^(1/4)
= 5
= {5 [(2^3)^(1/3) + (3^3)^(1/3)]^3}^(1/4)
= {5 [2 + 3]^3}^(1/4)
= {5 [5]^3}^(1/4)
= {5^4}^(1/4)
= 5
2016-06-15 7:00 am
[5^4]^[1/4]
= 5 finish it
= 5 finish it
收錄日期: 2021-04-18 14:59:55
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160614083620AACkI0T