1/a+1/b+1/c=1/8
a=?
b=?
c=?
math help!
2007-02-09 6:59 pm
回答 (2)
2007-02-09 7:09 pm
✔ 最佳答案
1/a + 1/b + 1/c = 1/81/a = 1/8 - 1/b - 1/c
1/a = (bc - 8b - 8c) / 8bc
a = 8bc / (bc-8b-8c)
Similarly, you can get:
b = 8ac / (ac-8a-8c)
c = 8ab / (ab-8a-8b)
2007-02-09 7:07 pm
a=16
b=32
c=64
b=32
c=64
收錄日期: 2021-04-12 21:53:39
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070209000051KK00836