更新1:
x/100 = 4^1/3 - 1 用計算機點按出黎
(1+x%)3次=4 點樣可以計到x=幾多% 詳盡d ｑｑ～
回答 (3)
2008-01-11 2:48 am
✔ 最佳答案
(1+x/100)^3 = 4(1+x/100) = 4^1/3 (4 to the power 1/3)
x/100 = 4^1/3 - 1
x/100 = 0.58740105... (by calculator)
x = 58.740105...
2008-01-20 6:53 am
(1+x%)^3=4
(1+x/100)^3=4
[(100+x)/100]^3=4
(100+x)^3/1000000=4
1000000+x^3=4000000
x^3=3000000
x=144.224957
144.224957．100%
=1.44224957%
HOPE THIS CAN HELP YOU LA
CAN YOU PLEASE CHOOSE ME AS THE BEST ANS.... ( T ^ T )
(1+x/100)^3=4
[(100+x)/100]^3=4
(100+x)^3/1000000=4
1000000+x^3=4000000
x^3=3000000
x=144.224957
144.224957．100%
=1.44224957%
HOPE THIS CAN HELP YOU LA
CAN YOU PLEASE CHOOSE ME AS THE BEST ANS.... ( T ^ T )
參考: MEEEEEEEEEE
2008-01-11 3:14 am
(1+x%)^3=4
1^3+x%^3=4
x%^3=3
x%=1.44224957
x=0.0144%(corr to 3sig. fig.)
1^3+x%^3=4
x%^3=3
x%=1.44224957
x=0.0144%(corr to 3sig. fig.)
收錄日期: 2021-04-26 18:19:55
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080110000051KK02989