MATHS in F2

🎓 學業台教學

2007-10-29 3:39 am

3mn=km(1-n) [n]

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)

👍 0 👎 0

2007-10-29 3:58 am

3mn=km-kmn

3mn+kmn=km

n(3m+km)=km

n = km/ 3m+km

👍 0 👎 0

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

檢視 Wayback Machine 備份