MATHS in F2
回答 (2)
2007-10-29 4:05 am
✔ 最佳答案
3mn=km(1-n)3mn=km-kmn
3mn+kmn=km
mn(3+k)=km
n(3+k)=k
n=k/(3+k)
2007-10-29 3:58 am
3mn=km-kmn
3mn+kmn=km
n(3m+km)=km
n = km/ 3m+km
3mn+kmn=km
n(3m+km)=km
n = km/ 3m+km
收錄日期: 2021-05-01 20:42:02
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071028000051KK04337