可不可以幫我解決?
~~~a-n
m=——
~~~n+a
想變換主項{n}(~~~打錯,唔好理佢地)
thx~
關於變換主項
2006-10-28 11:25 pm
回答 (2)
2006-10-28 11:34 pm
✔ 最佳答案
m = (a – n) / ( n + a) m( n + a) = (a – n)
mn + ma = a – n
mn + n = a – ma
(m+1)n = a(1-m)
n = a(1-m) / (m+1)
2006-10-29 12:04 am
m=(a-n)/(n+a)
m(n+a)=a-n
mn+an=a-n
a=mn+an+n
a=(m+a+1)n
n=a/(m+a+1)
m(n+a)=a-n
mn+an=a-n
a=mn+an+n
a=(m+a+1)n
n=a/(m+a+1)
收錄日期: 2021-04-13 16:57:16
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061028000051KK02617