RATIO & PROPORTIONS: ....?
回答 (2)
2020-07-24 6:00 am
A/a = B/b = C /c = D/d,
√(Aa) + √(Bb) + √(Cc) + √(Dd)
Solution:
a!=0, B = (A b)/a, C = (A c)/a, D = (A d)/a, b c d!=0
√(Aa) + √(Bb) + √(Cc) + √(Dd)
Solution:
a!=0, B = (A b)/a, C = (A c)/a, D = (A d)/a, b c d!=0
收錄日期: 2021-04-24 07:57:30
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20200723164542AAvDPVx