百分數好急好急快快
回答 (2)
2008-04-05 5:07 am
✔ 最佳答案
(1-12%)X(1-10%)=88/100X90/100
=7920/10000
=79.2%
So是(100-79.2)%=20.8%
其實仲有很多數學題。係computer度搵吧！
2008-04-05 4:43 am
(1-12%)X(1-10%)
=88/100X90/100
=7920/10000
=79.2%
2008-04-04 20:44:12 補充：
即是減去了(100-79.2)%=20.8%
=88/100X90/100
=7920/10000
=79.2%
2008-04-04 20:44:12 補充：
即是減去了(100-79.2)%=20.8%
收錄日期: 2021-04-19 00:49:49
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080404000051KK02785