Q.1
開方b * ^3開方b
Q.2
^3開方(27b^-6)
please 詳細解答~~thanks^^
f.4 easy math
2006-11-07 2:47 am
回答 (1)
2006-11-07 2:50 am
✔ 最佳答案
Q.1開方b * ^3開方b
=b^1/2 * b^1/3
=b^(1/2+1/3)
=b^5/6
Q.2
^3開方(27b^-6)
=(27*b^6)^1/3
=27^1/3 * b^6/3
= 3^(3/3) * b^2
=3b^2
2006-11-06 18:52:13 補充：
Q.2^3開方(27b^-6)=(27*b^-6)^1/3=27^(1/3) * b^-6/3= 3^(3/3) * b^-2=3b^ -2Sorry!!
收錄日期: 2021-04-12 22:57:02
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061106000051KK03130