答案以x表示
1.5x= a+b+c+2d-15
2.5x= a+b+c+2d/3
數學題:主項變換
2008-03-20 2:37 am
回答 (2)
2008-03-20 2:41 am
✔ 最佳答案
1.)x = (a+b+c+2d-15)/5
a = 5x-b-c-2d+15
b = 5x-a-c-2d+15
c = 5x-a-b-2d+15
d = (5x-a-b-c+15)/2
x = (a+b+c+2d/3) /5
a = 5x-b-c-2d/3
b = 5x-a-c-2d/3
c = 5x-a-b-2d/3
d = (15x-3a-3b-3c)/2
收錄日期: 2021-05-01 15:57:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080319000051KK02301