F.1 maths
回答 (1)
2010-11-18 4:56 am
✔ 最佳答案
1 = 7-8-2z_51 = 7 - (8-2z)/5
(8-2z)/5 = 7+1
8-2z = 8*5
8-2z = 40
8-40 = 2z
-32 = 2z
z = -32/2
z = -16
收錄日期: 2021-04-23 23:14:07
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101116000051KK00823